Canon Patent : RF 200-500mm f/4L IS USM and RF 300-800mm f/8 IS USM Lenses

Canon is planning to announce the new super-telephoto lenses in 2022. In addition to the previously reported , , Canon filed a new patent for  RF 200-500mm f/4L IS USM and RF 300-800mm f/8 IS USM Lenses.

Canon patent application 2022-26392 (Japan) discusses optical formulas for 200-500mm f/4 and 300-800mm f/8 lenses. Check out the details below :

Continue reading “Canon Patent : RF 200-500mm f/4L IS USM and RF 300-800mm f/8 IS USM Lenses”