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searching for Stopping down 21 found (338 total)

Sigma 8-16mm f/4.5-5.6 DC HSM lens (1,777 words) [view diff] exact match in snippet view article find links to article

between a half stop and third stop of corner shading. Alternatively, stopping down to higher f-numbers lessens vignetting. The lens is equipped with a

Neutral-density filter (1,676 words) [view diff] exact match in snippet view article find links to article

applying an appropriate neutral-density filter is the equivalent of stopping down one or more additional stops, allowing the slower shutter speed and

Purple fringing (600 words) [view diff] exact match in snippet view article find links to article

an image. Axial chromatic aberration is more subject to reduction by stopping down the lens than lateral chromatic aberration is, so the purple fringing

Sigma 30mm f/1.4 EX DC HSM lens (493 words) [view diff] exact match in snippet view article find links to article

is drastically reduced by stopping down the aperture by about 1 f-stop. This lens has a more linear response to stopping down the aperture. To reduce vignetting

Takumar (648 words) [view diff] no match in snippet view article find links to article

The user selected an aperture then engaged a lever to energise the stopping-down mechanism. The camera would then trip this mechanism when the shutter

Surbiton railway station (1,267 words) [view diff] exact match in snippet view article find links to article

Non-stopping up trains use its track. An additional track for non-stopping down trains lies between Platforms 2 and 3. Platform 3: for trains to Basingstoke

Sony E 50mm F1.8 OSS (287 words) [view diff] exact match in snippet view article find links to article

features OSS (Optical Steady Shot). Wide open the lens is rather soft but stopping down to f/5.6 yields very sharp results. That way portraits shot wide open

Minolta SR-T 101 (959 words) [view diff] exact match in snippet view article find links to article

metering facility, allowing the exposure to be set accurately without stopping down. Full aperture TTL metering was commercially first realised in the 1963

Nikon F-801 (614 words) [view diff] exact match in snippet view article find links to article

professional features: A Depth of Field preview button allows temporary stopping down to the shooting aperture to check DOF. A Multiple Exposure facility

FED (camera) (1,872 words) [view diff] exact match in snippet view article

dsignation: FED-36. A very sharp little lens that can be used wide open. Stopping down increases the tendency towards internal reflections, since the aperture

Bromsgrove railway station (1,963 words) [view diff] exact match in snippet view article find links to article

with a single platform on the up (northbound) side, which required stopping down (southbound) trains to cross to the up line and back again after calling

Live preview (2,462 words) [view diff] exact match in snippet view article find links to article

simulating exposure changes effects with chosen aperture changes without stopping down the aperture. The ES-LV of its Powershot digicams always kept its apertures

Umka (1,536 words) [view diff] exact match in snippet view article find links to article

Damages are being repaired and patched but the massive project of stopping down the terrain is found to be too expensive. As the houses would lean on

Percival Lowell (3,256 words) [view diff] exact match in snippet view article find links to article

an article published in Sky and Telescope in July 2003 that Lowell's stopping down of the telescope created such a small exit pupil at the eyepiece, it

Sigma 30mm F1.4 DC DN (297 words) [view diff] exact match in snippet view article find links to article

distortion and minor vignetting when at f/1.4 (which can be resolved by stopping down to f/2.8). Hints of chromatic aberration can be noted appearing in the

Sigma 30mm F2.8 EX DN (438 words) [view diff] exact match in snippet view article find links to article

mount. Sharpness is already very high wide open and across the frame. Stopping down yields excellent resolution. Chromatic aberration is well controlled

Sony E PZ 18-105mm F4 G OSS (299 words) [view diff] exact match in snippet view article find links to article

the extreme corners of the image. Vignetting is noticeable at F4, but stopping down generally resolves this issue. Strong pin-cushion distortion, though

Sony E 35mm F1.8 OSS (312 words) [view diff] exact match in snippet view article find links to article

the lens is about average in the corners and good in the center but stopping down sharpness increases reaching its sweet-spot at f/5.6. Distortion is

Zenit (camera) (2,695 words) [view diff] exact match in snippet view article

focussing ring it was impossible to focus at full aperture followed by stopping down, as this moved the point of focus. What makes these lenses interesting

Sony FE 28mm F2 (430 words) [view diff] exact match in snippet view article find links to article

distortion and moderate vignetting when at f/2.0 (which can be resolved by stopping down to f/2.8). When shooting RAW the strong barrel distortion has to be

History of the single-lens reflex camera (31,342 words) [view diff] exact match in snippet view article find links to article

auto-diaphragm design with excellent lenses and good accessory system. Stopping down (closing) the lens aperture (iris) to prepare for exposure transmits