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2. Canon EF 24–70mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_24–70mm_lens

   Canon EF 24–70mm f/2.8L lens with hood (EW-83F) The Canon EF 24–70mm lens is a family of professional EF mount wide-to-normal zoom lenses manufactured and sold by Canon. The first of the family, the EF 24–70mm f/2.8L, was introduced in 2002 to replace the well-regarded 28–70mm f/2.8L. Two later versions were announced in 2012.

3. Lens hood - Wikipedia

   en.wikipedia.org/wiki/Lens_hood

   In photography, a lens hood or lens shade is a device used on the front end of a lens to block the Sun or other light source(s) to prevent glare and lens flare. [1] Lens hoods may also be used to protect the lens from scratches and the elements without having to put on a lens cover .

4. Canon EF 16-35mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_16-35mm_lens

   The Canon EF 16–35mm f/4L IS USM lens with its included EW-82 hood. The EF 16–35 mm lens is a family of professional wide-angle lenses made by Canon Inc. The original version, the EF 16-35mm f/2.8L USM, replaced the EF 17-35mm f/2.8L USM lens, which had itself replaced the EF 20-35mm f/2.8L lens. The lens has an EF mount to work with the ...

5. Canon EF 24mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_24mm_lens

   As it is designed for Canon APS-C bodies, its field of view is equivalent to a 38mm lens on a full-frame sensor, and operates similar to the Canon EF 40mm f/2.8 STM pancake lens. Compared to the EF 24 f / 2.8 IS USM, the EF-S lens loses IS, but lists for about a fourth of the price.

6. Canon RF lens mount - Wikipedia

   en.wikipedia.org/wiki/Canon_RF_lens_mount

   Canon full-frame cameras have used the EF lens mount since 1987. In comparison with that mount, the RF mount's inner diameter is the same at 54 mm. [1] The RF mount's flange focal distance at 20 mm is much shorter than that of the Canon EF and EF-S mounts at 44 mm. The EF-M mount has a flange focal distance of 18 mm.

7. Canon EF 28-135mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_28-135mm_lens

   There is a Canon EF 50mm lens that produces a 1:2 maximum image ratio and is advertised as a "compact macro," which is also not a true 1:1 macro but may produce adequate results in some applications. Comparatively, the EF 28-135mm lens has a maximum reproduction ratio of 1:5.3. This lens uses the Canon EW-78BII tulip-style lens hood. [2]