Patent: Canon RF 180mm f/3.5L Macro, RF 140mm f/3.5L Macro and RF 200mm f/4L Macro

Here is a new Canon patent application for RF-mount lenses. As of September 30, 2021, Canon’s patent application has been published. It includes examples of telephoto macro lenses that are likely to be “RF 180mm F3.5 Macro”, “RF 140mm F3.5 Macro”, and “RF 200mm F3.5 Macro”. Canon RF 180mm f/3.5L Macro USM Focal length 174.43mm F-number 3.50 Half angle of […]

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