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2. Canon EF 400mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_400mm_lens

   EF 400mm f / 5.6L USM; The 400mm f / 4 DO IS II USM, which replaced an earlier version of the same lens in 2014, [3] is one of only two Canon lenses that make use of diffractive optics (the other is the EF 70–300mm f/4.5–5.6 DO IS USM). The use of diffractive optics allows the lens to be significantly lighter than it might otherwise be. [4] [5]

3. The best Canon telephoto lenses in 2022: for your DSLR or EOS ...

   www.aol.com/news/best-canon-telephoto-lenses...

   Small and light for a 100-400mm lens. ... Lens hood costs extra. The Canon EF-S 55-250mm f/4-5.6 IS STM is one of the most lightweight telephoto lenses available at just 375g! This is partly due ...

4. Canon EF 100-400mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_100-400mm_lens

   The EF 100–400 mm f / 4.5–5.6L IS USM is a professional EF mount telephoto zoom lens manufactured by Canon Inc. The first version of this lens was announced in September 1998, and an updated version was announced in November 2014. It is a high performance telephoto lens most often used for sports and wildlife photography.

5. 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 .

6. Lens cover - Wikipedia

   en.wikipedia.org/wiki/Lens_cover

   Canon lens covers. Screw-in metal lens cap A Nikon LC-52 Snap on Front Lens Cap (back side) The lens cover as seen on a Sony Ericsson K810i. A lens cover or lens cap provides protection from scratches and minor collisions for camera and camcorder lenses. Lens covers come standard with most cameras and lenses.

7. Canon EF 200-400mm lens - Wikipedia

   en.wikipedia.org/wiki/Canon_EF_200-400mm_lens

   The EF 200–400 mm f / 4L IS USM Extender 1.4× is an EF mount super telephoto zoom lens produced by Canon. It is part of the professional L-series and functions with the Canon EOS line of cameras. The EF 200–400 mm lens features an ultrasonic motor, image stabilization and weather sealing. It is the first and only EF lens with a built-in ...