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The Canon EF-S 17–85mm f / 4–5.6 IS USM is a standard zoom lens for Canon digital single-lens reflex cameras with an EF-S lens mount and image stabilization. [1] [2] [3] The EF-S designation means it can only be used on EOS cameras with an APS-C sensor released after 2003.
Since about 2005 Canon introduced a numbering scheme for some whereby the least significant (non-zero) digit signifies the geographic region ("3" signifying Japan) the device is sold in. This leads to a large number of models, all belonging to the same family, but possibly incompatible to some degree, and also makes it difficult to ascertain ...
The EF 17–40mm f / 4L USM lens is a wide-angle lens made by Canon Inc. The lens has an EF mount to work with the EOS line of cameras. Other than the front element, it is sealed against dust and water, and features a diaphragm which remains nearly circular from f / 4 to f / 8.
f / 1.2L USM f / 1.2L II USM f / 1.8 USM f/1.4L IS USM Image Key features Full-frame compatible Yes Image stabilizer No Yes Ultrasonic Motor Yes L-series Yes No Yes Diffractive Optics No Macro No Technical data Aperture (max-min) f / 1.2 – f / 16 f / 1.8 – f / 22 f / 1.4 – f / 22 Construction 7 groups / 8 elements 7 groups / 9 elements
The Four Thirds System sensor size (17.3 mm x 13 mm) is the smallest currently being used in DSLR cameras. This leads to both advantages (theoretically smaller, lighter and cheaper lenses and camera bodies) and disadvantages (slightly lower image quality, especially in low-light situations).
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.
The graphic also shows the three celestial objects that are related to the units of time. All of the formal units of time are scaled multiples of each other. The most common units are the second, defined in terms of an atomic process; the day, an integral multiple of seconds; and the year, usually 365 days. The other units used are multiples or ...
Canon EF 28-105mm lens; Canon EF 28-200mm lens; Canon EF 28mm lens; Canon EF 35mm lens; Canon EF 38-76mm lens; Canon EF 40mm lens; Canon EF 55–200mm lens; Canon EF 70–200mm lens; Canon EF 70-300mm lens; Canon EF 80-200mm lens; Canon EF 85mm lens; Canon EF 100mm lens; Canon EF 100–200mm lens; Canon EF 100-300mm lens; Canon EF 180mm f/3.5L ...