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35 mm equivalent focal lengths are calculated by multiplying the actual focal length of the lens by the crop factor of the sensor. Typical crop factors are 1.26× – 1.29× for Canon (1.35× for Sigma "H") APS-H format, 1.5× for Nikon APS-C ("DX") format (also used by Sony, Pentax, Fuji, Samsung and others), 1.6× for Canon APS-C format, 2× for Micro Four Thirds format, 2.7× for 1-inch ...
Kodak Ektachrome 200, shot in a Holga 120CFN A sprocket hole photograph. 35mm film inserted into medium format camera. Sprocket hole photography is a style of photography that exposes the full width of a perforated film such as 35mm film, creating a photograph punctuated by the "sprocket holes" (perforations) along the edges of the film.
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The usual frame size of 35mm still cameras is 24×36 mm, however half-frame cameras typical use an image area of 18×24 mm. One net result of this is that a roll of film can typically contain twice the number of exposures as in a full frame 35mm camera (that is, a roll that is nominally 36 exposures allows 72 in the half-frame format).
135 film. The film is 35 mm (1.4 in) wide. Each image is 24×36 mm in the most common "small film" format (sometimes called "double-frame" for its relationship to the "single-frame" 35 mm movie format or full frame after the introduction of 135 sized digital sensors; confusingly, "full frame" was also used to describe the full gate of the movie format half the size).
The EF 35mm f / 2 is an enthusiast-level lens. Like the original version of the f / 2 lens, it has a plastic body and a metal mount, but adds image stabilization . It also has an eight-blade diaphragm with rounded blades, as opposed to the eight non-rounded blades of the f / 1.4L lens and the five non-rounded blades of the original f / 2 model.
Normal lens - a lens with a focal length about equal to the diagonal size of the film or sensor format, or that reproduces perspective that generally looks "normal" to a human observer. Cross-section of a typical short-focus wide-angle lens. Wide angle lens - a lens that reproduces perspective that generally looks "wider" than a normal lens ...
Photographic composition techniques are used to set up the elements of a picture. These are the techniques which resembles the way we humans normally see a view Some of the main techniques that are: Simplicity (photography) Symmetrical balance; Asymmetrical balance; Radial balance; Rule of thirds; Leading lines [1] Golden ratio; Framing ...