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The Canon EF 75–300mm f / 4–5.6 III lens. Introduced in 1991, the Canon EF 75–300mm f / 4–5.6 lens is a telephoto zoom lens for Canon EOS single-lens reflex cameras with an EF lens mount. There are 3 basic types of the lens: the IS USM (Image Stabilization, Ultra Sonic Motor), the USM (USM, no IS) and non-USM (no USM, no IS).
75–300mm is a common focal length for camera lenses. Multiple articles exist about such lenses: Multiple articles exist about such lenses: Canon EF 75–300mm lens
Canon EF 22-55mm lens; Canon EF 24-85mm lens; Canon EF 24mm lens; Canon EF 28-70mm lens; Canon EF 28-135mm lens; Canon EF 28-300mm lens; Canon EF 35-70mm lens; Canon EF 35–80mm lens; Canon EF 35–105mm lens; Canon EF 35-135mm lens; Canon EF 35–350mm lens; Canon EF 50-200mm lens; Canon EF 50mm lens; Canon EF 70–210mm lens; Canon EF 75 ...
Introduced on 15 September 2016, Canon EF 70-300mm f / 4-5.6 IS II USM lens is the second Canon lens equipped with Nano USM technology, a focusing motor that combines the benefits of a ring USM (ultrasonic motor) for high-speed AF during still photo shooting and lead-screw type STM (stepping motor) for smooth and quiet video autofocusing (AF). [6]
When used on a digital EOS body with a field of view compensation factor of 1.3x, such as the Canon EOS-1D Mark IV, it provides a narrow field of view, equivalent to a 390 mm lens mounted on a 35mm frame body. With a 1.6x body such as the Canon EOS 650D, it provides a narrower field of view, equivalent to a 480 mm lens mounted on a 35mm frame body.
That lens was the Canon EF 75-300mm f/4-5.6 IS USM. Canon in 2001 was the first to create a lens with DO (multi layered Diffractive Optical element) element. That lens was the Canon EF 400mm f/4 DO IS USM. Canon in 2008 created the first lens with SWC technology (Subwavelength Structure Coating). That lens was the Canon EF 24mm f/1.4L II USM.
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