Sony has recently filed a patent for new lenses, including super telephoto prime options such as 800mm f/5.6 and 400mm f/4 GM ...

Nikon has recently applied for a patent on new lenses, including a super telephoto options like a 200-700mm f/6.3-8 – as well ...

A wildlife photographer says that a Canon RF 200-800mm lens snapped while packed in a bag but riding on a snowmobile ...

Vignetting is very modest, with little sign of corner darkening, measuring just -0.3 EV. An 800mm lens is difficult to keep steady, so it is reassuring to have the assistance of the IS system.