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searching for F number (chemistry) 198 found (314 total)

alternate case: f number (chemistry)

F-number (4,637 words) [view diff] no match in snippet view article find links to article

For other uses, see F-number (disambiguation). In optics, the f-number (sometimes called focal ratio, f-ratio, f-stop, or relative aperture) of an
Depth of field (10,124 words) [view diff] no match in snippet view article find links to article
at the film / sensor plane and the selected lens aperture or f-number. For a given f-number, increasing the magnification, either by moving closer to the
Canon MP-E 65mm f/2.8 1–5x Macro lens (474 words) [view diff] no match in snippet view article find links to article
infinity, so its effective f-number depends on the magnification ratio chosen, and is calculated as: Effective f-number = f-number x (magnification + 1) For
Aperture (3,722 words) [view diff] no match in snippet view article find links to article
be more important than the actual f-number. Equivalent aperture is the f-number adjusted to correspond to the f-number of the same size absolute aperture
Numerical aperture (1,855 words) [view diff] no match in snippet view article find links to article
and illustration of f-number is misleading, and defining it in terms of numerical aperture may be more meaningful. The f-number describes the light-gathering
Exposure value (2,902 words) [view diff] no match in snippet view article find links to article
a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure have the same
Shutter speed (1,883 words) [view diff] no match in snippet view article find links to article
the exposure time. The camera's shutter speed, the lens's brightness (f-number), and the scene's luminance together determine the amount of light that
Attack in the Pacific (311 words) [view diff] no match in snippet view article find links to article
known by the American series title: Armed Forces Information Film: A.F.I.F. Number 3) is a 1944 American war documentary film. Henry H. Arnold as Himself
Guide number (937 words) [view diff] no match in snippet view article find links to article
and the f-number of the aperture that will correctly expose film or a digital sensor with the specified sensitivity. GN = distance × f-number This simple
Pinhole camera (2,825 words) [view diff] no match in snippet view article find links to article
50 mm focal length would have an f-number of 50/0.5, or 100 (f/100 in conventional notation). Due to the large f-number of a pinhole camera, exposures will
Tilt–shift photography (2,281 words) [view diff] no match in snippet view article find links to article
far limits of DoF (i.e., the angular DoF) increases with lens f-number; for a given f-number and angle of the PoF, the angular DoF decreases with increasing
Sunny 16 rule (532 words) [view diff] no match in snippet view article find links to article
with other light readings, shutter speed can be changed as long as the f-number is altered to compensate, e.g. 1/250 second at f/11 gives equivalent exposure
Entrance pupil (527 words) [view diff] no match in snippet view article find links to article
used to calibrate the opening and closing of the diaphragm aperture. The f-number ("relative aperture"), N, is defined by N = f/EN, where f is the focal
Diaphragm (optics) (1,048 words) [view diff] no match in snippet view article find links to article
often referred to simply as an iris. See the articles on aperture and f-number for the photographic effect and system of quantification of varying the
Depth of focus (899 words) [view diff] no match in snippet view article find links to article
relatively insensitive to focal length and subject distance, for a fixed f-number. In the macro region, depth of focus increases with longer focal length
Purple fringing (605 words) [view diff] no match in snippet view article find links to article
aberration is, so the purple fringing can be very dependent on f-number: a larger f-number (smaller aperture) reduces axial aberration. Purple fringing
Defocus aberration (446 words) [view diff] no match in snippet view article find links to article
blurring for a given amount of focus shift depends inversely on the lens f-number. Low f-numbers, such as f/1.4 to f/2.8, are very sensitive to defocus and
Image sensor format (4,849 words) [view diff] no match in snippet view article find links to article
field. It is equivalent to adjusting the f-number inversely in proportion to crop factor – a smaller f-number for smaller sensors. (This also means that
Lens speed (2,285 words) [view diff] no match in snippet view article find links to article
diameter, or minimum f-number, of a photographic lens. A lens with a larger maximum aperture (that is, a smaller minimum f-number) is called a "fast lens"
Hyperfocal distance (2,618 words) [view diff] no match in snippet view article find links to article
distance is focal length is f-number ( for aperture diameter ) is the circle of confusion limit For any practical f-number, the added focal length is
Dynamic aperture (132 words) [view diff] no match in snippet view article find links to article
resolution. The ratio of the imaging depth to the aperture size is known as the F-number. Dynamic aperture is keeping this number constant by growing the aperture
Nikon 1 series (1,337 words) [view diff] no match in snippet view article find links to article
crop factor) compared to a 35mm FX camera at the same angle of view and f-number. Nikon CX format with 2.7 times crop factor. Although the image sensor
Light meter (2,729 words) [view diff] no match in snippet view article find links to article
analog, which allows the photographer to determine which shutter speed and f-number should be selected for an optimum exposure, given a certain lighting situation
Science of photography (2,391 words) [view diff] no match in snippet view article find links to article
field generally increases with decreasing aperture diameter (increasing f-number). The unfocused blur outside the depth of field is sometimes used for artistic
Circle of confusion (3,382 words) [view diff] no match in snippet view article find links to article
that where N is the lens f-number, c is the CoC, m is the magnification, and f is the lens focal length. Because the f-number and CoC occur only as the
Airy disk (2,976 words) [view diff] no match in snippet view article find links to article
on a screen is related to and to the f-number by where R is the distance from the aperture, and the f-number N = R/d is the ratio of observation distance
Pupil magnification (83 words) [view diff] no match in snippet view article find links to article
pupil. The pupil magnification is used in calculations of the effective f-number, which affects a number of important elements related to optics, such as
Kit lens (1,286 words) [view diff] no match in snippet view article find links to article
(smaller f-number) than comparably priced zoom lenses, so the change to zoom lenses means that recent kit lenses are usually also slower (higher f-number). However
Landscape photography (174 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Outline of photography (530 words) [view diff] no match in snippet view article find links to article
Autofocus Depth of field Photograph Vignetting Shutter speed Aperture F-number List of photographers List of most expensive photographs List of photographic
Exposure compensation (1,072 words) [view diff] no match in snippet view article find links to article
doubling of exposure. Exposure can be adjusted by changing either the lens f-number or the exposure time; which one is changed usually depends on the camera's
List of street photographers (318 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
F-Stops (197 words) [view diff] no match in snippet view article find links to article
This article is about the jazz album. For the optical ratio, see F-number. F-Stops is an album by American jazz trombonist and composer Craig Harris recorded
Metrogon (272 words) [view diff] no match in snippet view article find links to article
photography on the T-11 camera. The most common Metrogon lenses have a f number of 6.3 and a focal length of 6 inches. The company name Bausch and Lomb
Dye coupler (158 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Simplicity (photography) (162 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Photography (8,201 words) [view diff] no match in snippet view article find links to article
photograph from coming out blurry. The effective aperture is expressed by an f-number or f-stop (derived from focal ratio), which is proportional to the ratio
Fireworks photography (197 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Stopping down (250 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Snoot (141 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Camera lens (3,406 words) [view diff] no match in snippet view article find links to article
smaller f-number, allows using a faster shutter speed for the same exposure. The maximum usable aperture of a lens is specified as the focal ratio or f-number
Fire photography (297 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Vignetting (947 words) [view diff] no match in snippet view article find links to article
be cured by a reduction in aperture of 2–3 stops. (An increase in the F-number.) Unlike the previous types, natural vignetting (also known as natural
Petzval lens (178 words) [view diff] no match in snippet view article find links to article
The total field of view is therefore restricted to about 30 degrees. An f-number of f/3.7 was achievable, which was considerably faster than other lenses
Spatial filter (739 words) [view diff] no match in snippet view article find links to article
To use a very small pinhole, one must use a focusing lens with a low f-number, and ideally the lens should not add significant aberrations to the beam
Zone plate (1,050 words) [view diff] no match in snippet view article find links to article
larger than that of a comparable pinhole. The result is that the effective f-number of a zone plate is lower than for the corresponding pinhole and the exposure
Push processing (336 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Safelight (362 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Architectural photography (648 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Safelight (362 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Lead room (175 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Men Yang (41 words) [view diff] no match in snippet view article find links to article
5 in) Playing position Striker Club information Current team Guangzhou R&F Number 24 Senior career* Years Team Apps† (Gls)† 2009–2010 Ferencváros 2011
Painted photography backdrops (292 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Sun printing (506 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Monopod (590 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Beauty dish (173 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Angular aperture (103 words) [view diff] no match in snippet view article find links to article
(1995). Studies in Optics. Courier Dover. p. 32. ISBN 0-486-68700-7.  f-number Numerical aperture Acceptance angle, half the angular aperture Field of
Cloudscape photography (244 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Telecompressor (253 words) [view diff] no match in snippet view article find links to article
SLR (Single-lens reflex camera's), whilst 'magically' gaining a stop (F-number) i.e. giving the performance of a more expensive lens on a cheaper lens
Function key (2,261 words) [view diff] no match in snippet view article find links to article
default actions printed on/besides them, or they may have the more common "F-number" designations. Soft keys date to avionics multi-function displays
Nature photography (548 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Wildlife photography (371 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Crop factor (2,006 words) [view diff] no match in snippet view article find links to article
be preferable to using a teleconverter, because the latter affects the f-number of the lens, and can therefore degrade the performance of the autofocus
Lazy initialization (2,335 words) [view diff] no match in snippet view article find links to article
(f->name = strdup(name))) { free(f); return NULL; } f->number = ++seq; f->next = fruit_list; fruit_list = f; return f; }
Cottages (Van Gogh series) (743 words) [view diff] no match in snippet view article find links to article
collection (F1669) Cottage, June–July 1885, Private collection (No F number, JH Add. 23) Houses at Auvers, a return to the subject of cottages
Tilt (camera) (65 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Photographic printing (560 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Photogram (551 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Spirit photography (763 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Prime lens (690 words) [view diff] no match in snippet view article find links to article
simpler, prime lenses usually have a larger maximum aperture (smaller f-number) than zoom lenses. This allows photography in lower light and a shallower
Digiscoping (481 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
List of most expensive photographs (446 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Soft box (250 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Photographic fixer (317 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Heliography (280 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Cross processing (351 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Toy camera (260 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Bleach bypass (473 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Monolight (851 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
K-14 process (621 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Minolta STF 135mm f/2.8 T4.5 lens (537 words) [view diff] no match in snippet view article find links to article
the lens' aperture ring when set to manual settings T4.5 to T6.7. The F-number in this lens refers to the effective aperture opening and determines the
Ultraviolet photography (1,036 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Framing (visual arts) (596 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Afocal photography (1,030 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
South African Class F 4-6-4T (728 words) [view diff] no match in snippet view article find links to article
1931. The main picture is a Vulcan Foundry builder’s photograph of Class F number 260. The following pictures show the locomotive in service, and its left
Mordançage (758 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Harris shutter (336 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Color print film (625 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
F scale (64 words) [view diff] no match in snippet view article find links to article
used with model trains F Scale, a validity scale of the Minnesota Multiphasic Personality Inventory F-number (disambiguation) F-ratio (disambiguation)
Nokia 808 PureView (1,812 words) [view diff] no match in snippet view article find links to article
length: 25 mm for 16:9, 27 mm for 4:3. f/2.2 Lens Carl Zeiss optics with F-number: f/2.4. Focal length: 8.02 mm: 35 mm equivalent focal length: 26 mm @ 16:9
Zhang Shichang (217 words) [view diff] no match in snippet view article find links to article
Playing position Goalkeeper Club information Current team Guangzhou R&F Number 17 Youth career 0000-2007 Tianjin Locomotive 2007-2008 Belenenses 2008
Reciprocity (photography) (2,430 words) [view diff] no match in snippet view article find links to article
same effect. For example, an EV of 10 may be achieved with an aperture (f-number) of f/2.8 and a shutter speed of 1/125 s. The same exposure is achieved
F-ratio (disambiguation) (63 words) [view diff] no match in snippet view article find links to article
F-ratio or f-ratio may refer to: f-number, f-ratio, or focal ratio, the ratio of the focal length of an optical system to the diameter of its entrance
Film speed (10,620 words) [view diff] no match in snippet view article find links to article
to the photographer to obtain the desired effect: lighting, film speed, f-number (aperture size), and shutter speed (exposure time). The equation may be
Wang Song (485 words) [view diff] no match in snippet view article find links to article
Playing position Midfielder Club information Current team Guangzhou R&F Number 6 Senior career* Years Team Apps† (Gls)† 2001–2005 Sichuan Quanxing 93
Exit pupil (1,040 words) [view diff] no match in snippet view article find links to article
calculated by dividing the focal length of the eyepiece by the focal ratio (f-number) of the telescope. In all but the cheapest telescopes, the eyepieces are
Fashion photography (1,167 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Photographic print toning (1,204 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Fashion photography (1,167 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Canon PowerShot G (1,768 words) [view diff] no match in snippet view article find links to article
Common features across the early G series were: A fast lens (minimum F number of 2.0). A flip out and twist LCD, along with a smaller status LCD on the
Focus stacking (743 words) [view diff] no match in snippet view article find links to article
field is normally increased by stopping down aperture (using a larger f-number), but beyond a certain point, stopping down causes blurring due to diffraction
Wang Song (485 words) [view diff] no match in snippet view article find links to article
Playing position Midfielder Club information Current team Guangzhou R&F Number 6 Senior career* Years Team Apps† (Gls)† 2001–2005 Sichuan Quanxing 93
Metering mode (1,242 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Multiple exposure (815 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Photographic print toning (1,204 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Portrait photography (2,877 words) [view diff] no match in snippet view article find links to article
narrow field of view of 30 degrees, a focal length of 150mm, and a fast f-number in the f/3.3-3.7 range. Classic focal length is in the range 80–135mm
Lu Lin (footballer) (423 words) [view diff] no match in snippet view article find links to article
Playing position Midfielder Club information Current team Guangzhou R&F Number 23 Youth career 2000–2002 Guangzhou F.C. Senior career* Years Team Apps†
Panning (camera) (676 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Wang Xiaolong (505 words) [view diff] no match in snippet view article find links to article
Playing position Midfielder Club information Current team Guangzhou R&F Number 19 Youth career 2001–2004 Shandong Luneng Senior career* Years Team Apps†
Nikon Coolpix 4600 (217 words) [view diff] no match in snippet view article find links to article
on the memory medium. The camera's lens has a focal length of 5.7mm, an f-number of 2.9, as well as a 3× magnification optical zoom. The digital zoom is
Lenses for SLR and DSLR cameras (4,614 words) [view diff] no match in snippet view article find links to article
aperture is specified as an f-number, the ratio of the lens focal length to its effective aperture diameter. A small f-number like f/2.0 indicates a large
Pigeon photography (3,989 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Telescope (2,443 words) [view diff] no match in snippet view article find links to article
control of telescopes Bahtinov mask Bioptic telescope Carey mask Dynameter f-number First light GoTo telescope Hartmann mask Keyhole problem Microscope Remote
Chang Feiya (231 words) [view diff] no match in snippet view article find links to article
0 in) Playing position Forward Club information Current team Guangzhou R&F Number 21 Youth career Guangdong Youth 2013 Guangzhou R&F Senior career* Years
Conservation photography (1,512 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Image noise (2,367 words) [view diff] no match in snippet view article find links to article
proportional to sensor area, or that the f-number or focal-plane illuminance is held constant. That is, for a constant f-number, the sensitivity of an imager scales
Diffraction-limited system (1,636 words) [view diff] no match in snippet view article find links to article
instrument response function we may note that it is largely independent of the f-number of the lens. Thus at different f-numbers a camera may operate in three
F22 (239 words) [view diff] no match in snippet view article find links to article
Congo 1961-64 F-22P Zulfiquar class frigate of the Pakistan Navy f/22, the F-number measure of photographic lens' aperture size related to its focal length
Feng Zhuoyi (118 words) [view diff] no match in snippet view article find links to article
Playing position Midfielder Club information Current team Guangzhou R&F Number 16 Youth career 2002–2008 Chengdu Blades Senior career* Years Team Apps†
Angular resolution (1,672 words) [view diff] no match in snippet view article find links to article
image sensor; this relates the spatial resolution of the image to the f-number, f/#: . Since this is the radius of the Airy disk, the resolution is better
Jang Hyun-soo (64 words) [view diff] no match in snippet view article find links to article
Playing position Defender Club information Current team Guangzhou R&F Number 15 Youth career 2010–2011 Yonsei University Senior career* Years Team Apps†
Jiang Zhipeng (311 words) [view diff] no match in snippet view article find links to article
Playing position Defender Club information Current team Guangzhou R&F Number 11 Youth career 2000–2005 Genbao Football Academy Senior career* Years
Long-exposure photography (810 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Jin Yangyang (261 words) [view diff] no match in snippet view article find links to article
Playing position Defender Club information Current team Guangzhou R&F Number 4 Senior career* Years Team Apps† (Gls)† 2011–2012 Dalian Shide 2 (0) 2013–2014
35 mm equivalent focal length (633 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Unit still photographer (988 words) [view diff] no match in snippet view article find links to article
closed around the camera as you can no longer access the cameras controls (F-number, shutter speed, ASA/ISO settings) or menu displays, directly. The LCD display
Film base (1,401 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Dipstick (781 words) [view diff] no match in snippet view article find links to article
measurement system adopted in 1990 by the American Concrete Institute. F-Number measurement procedures were established by ASTM Standard E1155. The instrument
Yu Yang (footballer) (396 words) [view diff] no match in snippet view article find links to article
Playing position Defender Club information Current team Guangzhou R&F Number 3 Senior career* Years Team Apps† (Gls)† 2008–2014 Beijing Guoan 49 (1)
Scheimpflug principle (2,700 words) [view diff] no match in snippet view article find links to article
equation above, the values may be given equivalently by where N is the lens f-number and c is the circle of confusion. At a large focus distance (equivalent
Three-CCD camera (986 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Fill flash (867 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Social documentary photography (1,395 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Enlarger (1,491 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Min Junlin (170 words) [view diff] no match in snippet view article find links to article
10 in) Playing position Forward Club information Current team Guangzhou R&F Number 35 Youth career Chengdu Blades Senior career* Years Team Apps† (Gls)†
SER F class (162 words) [view diff] no match in snippet view article find links to article
Railway → South Eastern and Chatham Railway → Southern Railway Class F Number in class 1 January 1923: 12 Withdrawn 1925–1930 Disposition All scrapped
C-41 process (1,228 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Gum printing (417 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Diagonal method (717 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Exposing to the right (626 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Macro photography (3,014 words) [view diff] no match in snippet view article find links to article
extremely small when focusing on close objects. A small aperture (high f-number) is often required to produce acceptable sharpness across a three-dimensional
Vernacular photography (430 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Print permanence (879 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Film holder (1,531 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
F4 (385 words) [view diff] no match in snippet view article find links to article
boys appearing in Boys Over Flowers a function key on a computer keyboard F-number f/4, a standard expressing the diameter of the aperture on a camera F04:
Zhang Yaokun (448 words) [view diff] no match in snippet view article find links to article
Playing position Defender Club information Current team Guangzhou R&F Number 5 Youth career 1997–1998 Dalian Yiteng Senior career* Years Team Apps†
Zhang Yuan (footballer) (530 words) [view diff] no match in snippet view article find links to article
Playing position Midfielder Club information Current team Guangzhou R&F Number 18 Youth career Renmin University High School Senior career* Years Team
Cassegrain antenna (1,273 words) [view diff] no match in snippet view article find links to article
required to hold the feed structure or secondary reflector. The focal ratio (f-number, the ratio of the focal length to the dish diameter) of typical parabolic
Salt print (161 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Food Photographer of the Year (530 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Hot shoe (1,544 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
List of works by Vincent van Gogh (1,056 words) [view diff] no match in snippet view article find links to article
watercolor 1883 Private collection (No F number, JH Add. 21) Marshy Landscape 1883 Private collection (No F number, JH 394) Weaver Near an Open Window
Index of motion picture terminology (543 words) [view diff] no match in snippet view article find links to article
shot - Extreme close-up - Extreme long shot - Eye-level camera angle F-number - F-stop - Fade-in - Fade-out - Fast cutting - Fast motion - Feature length
Zhang Shuo (footballer) (471 words) [view diff] no match in snippet view article find links to article
1⁄2 in) Playing position Striker Club information Current team Guangzhou R&F Number 29 Youth career 2000–2001 Tianjin Teda Senior career* Years Team Apps†
Monochrome photography (273 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Focal length (1,558 words) [view diff] no match in snippet view article find links to article
given angle of view, by a factor known as the crop factor. Depth of field f-number or focal ratio Dioptre Focus (optics) John E. Greivenkamp (2004). Field
Tang Miao (footballer born October 1990) (389 words) [view diff] no match in snippet view article find links to article
Playing position Defender Club information Current team Guangzhou R&F Number 20 Youth career 2002-2010 Beijing Guoan Senior career* Years Team Apps†
Image sensor (1,187 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Alethoscope (119 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Cheng Yuelei (459 words) [view diff] no match in snippet view article find links to article
Playing position Goalkeeper Club information Current team Guangzhou R&F Number 1 Youth career 2001–2004 Sichuan Guancheng Senior career* Years Team Apps†
Le Moulin de la Galette (Van Gogh series) (1,038 words) [view diff] no match in snippet view article find links to article
(F350) Street Scene in Montmartre 1887 Private collection (No F number, JH1240) Wallace, R (1969). Editors of Time-Life Books, ed. The World
Liu Dianzuo (432 words) [view diff] no match in snippet view article find links to article
Playing position Goalkeeper Club information Current team Guangzhou R&F Number 27 Youth career Dalian Yiteng Senior career* Years Team Apps† (Gls)† 2006–2010
Signal-to-noise ratio (imaging) (549 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Degree of unsaturation (374 words) [view diff] no match in snippet view article find links to article
Hydrogen atoms in the compound c = number of Nitrogen atoms in the compound f = number of Halogen atoms in the compound For molecules containing only carbon
Glamour photography (754 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Aaron Samuel Olanare (487 words) [view diff] no match in snippet view article find links to article
2 1⁄2 in) Playing position Striker Club information Current team Guangzhou R&F Number 25 Senior career* Years Team Apps† (Gls)† 2010–2011 Shooting Stars 23 (15)
Plzeň (3,045 words) [view diff] no match in snippet view article find links to article
(14 °F) and 165 days with an average temperature on or above 10.0 °C (50.0 °F). Number of days with maxima on or above 20.0 °C (68.0 °F) was 42. Plzeň is twinned
Li Jianhua (footballer) (281 words) [view diff] no match in snippet view article find links to article
Playing position Defender Club information Current team Guangzhou R&F Number 14 Senior career* Years Team Apps† (Gls)† 2002-2008 Shenzhen Shangqingyin
Shutter (photography) (2,684 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Li Yan (footballer, born 1984) (558 words) [view diff] no match in snippet view article find links to article
Playing position Midfielder Club information Current team Guangzhou R&F Number 33 Youth career Beijing Kuanli Guangzhou Songri Senior career* Years
Rule of thirds (1,485 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Fine-art photography (2,359 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Catadioptric system (1,703 words) [view diff] no match in snippet view article find links to article
adjustable diaphragm to control light transmission. This means the lens's F-number value is fixed to the overall designed focal ratio of the optical system
Stock photography (1,852 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
George Eastman House (1,464 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Wedding photography (2,274 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Nude photography (1,942 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
HDR PhotoStudio (283 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Street photography (1,654 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Newton's reflector (1,757 words) [view diff] no match in snippet view article find links to article
25 inches (158 mm) Optical effective (stopped down) F-number—f/4.78 Optical bare mirror F-number—f/3.16 Optical eyepiece focal length—0.17 inches (4.5 mm)
Megalethoscope (182 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Pictures of the Year International (746 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Comparison of digital SLRs (212 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Bokeh (1,819 words) [view diff] no match in snippet view article find links to article
a lens is stopped down smaller than its maximum aperture size (minimum f-number), out-of-focus points are blurred into the polygonal shape formed by the
Sigma 8-16mm f/4.5-5.6 DC HSM lens (1,748 words) [view diff] no match in snippet view article find links to article
per picture height (LW/PH), is most uniform at 8 mm (especially near the f-number of 8 where it is even throughout the image) with strong numbers at the
Digital versus film photography (4,062 words) [view diff] no match in snippet view article find links to article
correct) theorem. Depth of field, for a given lens focal length, at a given f-number will scale with sensor (film/chip) size. In effect, a smaller sensor will
Exposure (photography) (2,766 words) [view diff] no match in snippet view article find links to article
reciprocity (photography) Further information: aperture, exposure range and f-number An important principle of exposure is reciprocity. If one exposes the film
Simple eye in invertebrates (2,051 words) [view diff] no match in snippet view article find links to article
suitable for light-metering functions. Given the large aperture and low f-number of the lens, as well as high convergence ratios and synaptic gains, the
Nikon D3 (1,091 words) [view diff] no match in snippet view article find links to article
include times when the camera is operated at high shutter speed or high f number, where the lens' aperture is reduced to improve depth of field and sharpness
List of Johnson solids (256 words) [view diff] no match in snippet view article find links to article
Flattened (unfolded) image V – Number of Vertices E – Number of Edges FNumber of Faces (total) F3-F10 – Number of faces by side counts Norman W. Johnson
Tripod (photography) (1,790 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
History of photography (3,924 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Color space (2,116 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Digital camera back (2,656 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Jiang Ning (995 words) [view diff] no match in snippet view article find links to article
position Striker / Winger Club information Current team Guangzhou R&F Number 7 Youth career 1997–2003 Qingdao Jonoon Senior career* Years Team Apps†
CGR class H1 (150 words) [view diff] no match in snippet view article find links to article
Operator(s) Udupussallawa railway and Kelani Valley Line Class H1 Power class F Number in class 1 Locale Ceylon First run 1930 Withdrawn 1972 Scrapped 1981
Solarisation (1,558 words) [view diff] no match in snippet view article find links to article
of field Depth of focus Exposure Exposure compensation Exposure value F-number Film format Film speed Focal length Guide number Hyperfocal distance Metering
Moritz von Rohr (420 words) [view diff] no match in snippet view article find links to article
entrance pupil location and diameter, without reference to focal length and f-number (see his 1904 and 1906 books). He says, "At this point it will be sufficient