Tag: Canon RF 800mm f/5.8L IS USM Lens

Canon filed new RF-mount lens patents for 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with built-in teleconverters.

[Publication number] P2022142979
[Publication date] October 3, 2022
[Patent application title] Optical system, lens device, imaging device

More details of the new Canon Patents for full-frame mirrorless cameras can be found below.

Continue reading “Canon Patents: 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with Built-in Teleconverters”

Canon filed new RF-mount lens patents for 200mm f2, 300mm F2.8 & 500mm F4 Super-Telephoto models. More details of the new Canon Patents for full-frame mirrorless cameras can be found below.

[Publication number] P2021039379
[Publication date] APRIL 25, 2022
[Patent application title] Optical system and imaging device Continue reading “Canon RF Patents for 200mm f2, 300mm F2.8 & 500mm F4 Super-Telephoto Lenses”