Canon RF 200-800mm F/6.3-9 IS USM Initial Verdict Many Canon R-system users have been casting envious sideways glances at what Nikon and Sony offering their owners with attractively priced, high ...

It’s a great fit for Canon’s full-frame R-series cameras ... offering a mighty 800mm. Its aperture value of f/9 at the long end is slow, so you may need to invest in a sturdy tripod for ...

Flare is one area where diffractive elements could have a negative effect, but by facing the diffraction gratings against each other, Canon seems ... just -0.3 EV. An 800mm lens is difficult ...

Sony isn't the first to launch a super-telephoto zoom with maximum 800mm focal length. No, that accolade went to Canon with its RF 200-800mm F6.3-9 IS USM in 2023. There's plenty going for the 400 ...

Find out more about how we test. Comparable in many respects to Canon’s RF 200-800mm F6.3-9 IS USM, Sony’s super-telephoto is a win for capturing wild and winged creatures. It's less effective ...