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35 mm equivalent focal length. The resulting images from 50 mm and 70 mm lenses for different sensor sizes; 36x24 mm (red) and 24x18 mm (blue) In photography, the 35 mm equivalent focal length is a measure of the angle of view for a particular combination of a camera lens and film or image sensor size. The term is popular because in the early ...
Canonflex R2000 (1960) – An upgrade with 1/2000 shutter speed (up from 1/1000) Canonflex RP (1960) – simplified Canonflex without the interchangeable prism/viewer. Canonflex RM (1962) – A redesign of the RP with builtin metering and a lower profile prism. Offered with an f/1.2 58mm lens option.
In photography, angle of view ( AOV) [1] describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view . It is important to distinguish the angle of view from the angle of coverage, which describes the angle range that a lens can image.
The Canon EF-S 18–55mm lens f/3.5–5.6 is a Canon -produced wide-angle to mid telephoto zoom lens for digital single-lens reflex cameras with an EF-S lens mount. The field of view has a 35 mm equivalent focal length of 28.8–88mm, and it is a standard kit lens on Canon's consumer APS-C DSLRs. In February 2017 Canon announced the new Canon ...
Angular field of view is typically specified in degrees, while linear field of view is a ratio of lengths. For example, binoculars with a 5.8 degree (angular) field of view might be advertised as having a (linear) field of view of 102 mm per meter. As long as the FOV is less than about 10 degrees or so, the following approximation formulas ...
Focal length. The focal point F and focal length f of a positive (convex) lens, a negative (concave) lens, a concave mirror, and a convex mirror. The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power. A positive focal length indicates that a ...
Canon EF 35–350mm lens. The EF 35–350mm f/3.5–5.6L USM lens is a discontinued telephoto zoom lens manufactured by Canon . This lens has an EF type mount, that fits the Canon EOS line of cameras. It was introduced in January 1993. Featuring the highest zoom ratio (10x) of any interchangeable SLR lens at the time, the lens was and is ...
The Canon EF-M 15-45mm f/3.5-6.3 IS STM is an interchangeable zoom lens, covering fields of view from wide-angle to short telephoto, for the Canon EF-M system of Canon Inc. mirrorless interchangeable-lens camera. It was announced by Canon on October 13, 2015, together with the new Canon EOS M10 camera. The lens uses STM (stepping motor ...
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