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2. Canon EF 75–300mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_75–300mm_lens

   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).

3. 75–300mm lens - Wikipedia

   en.wikipedia.org/wiki/75–300mm_lens

   Canon EF 75–300mm lens; Minolta AF 75-300mm f/4.5-5.6 lens This page was last edited on 27 December 2019, at 13:29 (UTC). Text is available under the Creative ...

4. Canon EF 70-300mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_70-300mm_lens

   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]

5. Canon EF 300mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_300mm_lens

   The maximum aperture of f / 2.8 or f / 4 gives this lens the ability to create shallow depth of field effects, while the eight- or nine-blade diaphragm produces smooth background blur. The optical construction of this lens contains 15 lens elements, including two UD (Ultra low dispersion ) lens elements for the f4 IS USM (for other ...

6. Canon EF lens mount - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_lens_mount

   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.

7. Canon EF 100-300mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_100-300mm_lens

   A Canon EF 100-300mm f/5.6L zoom lens. The EF 100–300mm refers to three telephoto zoom lenses produced by Canon. They are of the EF lens mount that is compatible with the EOS line of cameras. The three versions are: f / 5.6; f / 5.6L; f / 4.5–5.6 USM; The two 5.6 versions were contemporaries, launched at the beginning of the Canon EOS system.