Canon RF Patents: 70-300mm F4.5-7.2, 100-350mm F5-8 & 250-600mm F6.3-11

Canon has filed several new compact and lightweight zoom lens patents for RF 70-300mm f/4.5-7.2, RF 100-350mm f/5-8, RF 250-600mm f/6.3-11 lenses that are designed for Canon RF-mount full-frame mirrorless cameras.

[Publication number] JP-A-2022-178447
[Publication date] 2022.12.2
[Patent application title] Zoom lens and imaging device having the same

From the patent literature:

A zoom lens is provided which is compact and lightweight and capable of achieving high optical performance over the entire zoom range and all object distances.

More details of the new Canon Patents for full-frame mirrorless cameras can be found below. Continue reading “Canon RF Patents: 70-300mm F4.5-7.2, 100-350mm F5-8 & 250-600mm F6.3-11”