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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 ...
A Canon 7 mounted with a 50 mm lens capable of f /0.95 A 35 mm lens set to f /11, as indicated by the white dot above the f-stop scale on the aperture ring. This lens has an aperture range of f /2 to f /22. The word stop is sometimes confusing due to its multiple meanings. A stop can be a physical object: an opaque part of an optical system ...
The 100 mm f/2 on the left is incompatible with Canon Extenders, unlike the 70-200mm f/2.8 IS on the right. 300mm f/2.8 IS lens, no extender 300mm f/2.8 IS lens, 1.4× extender 300mm f/2.8 IS lens, 2.0× extender. These Extender EF lenses can only be used with lenses that have a compatible mount.
With a 1.3x body such as the Canon EOS-1D Mark III, it provides a less narrow field of view, equivalent to a 36 mm lens mounted on a 35 mm frame body. Three EF 28mm lenses have been sold by Canon: f / 2.8, introduced April 1987 (now discontinued, replaced by f / 2.8 IS USM) [1] f / 1.8 USM, introduced September 1995 [2] f / 2.8 IS USM ...
The EF 200mm USM lens is an L-series prime telephoto lens made by Canon Inc. for the EOS line of cameras. Four 200 mm primes were made: f / 1.8, two f / 2.8, and the most recent f / 2.0. The 200 mm f / 1.8 USM lens, introduced in November 1988, is the fastest 200 mm ever produced. [1] It is a large off-white lens with rear drop-in filter tray.
The Canon EF 100 mm f / 2.8 Macro USM lens. The EF 100 mm f / 2.8 Macro USM lens is a prime lens made by Canon Inc. It is of the EF lens mount that fits the EOS camera system. There are three versions, the original, a second that adds a USM autofocus motor, and a recently released L series version that incorporates Image Stabilization (IS).