New Patent: Canon RF 17-85mm f/4-5.6 Lens

Canon has filed a new lens patent for the RF 17-85mm f/4-5.6 Lens for Canon full-frame mirrorless cameras. See the patent details below. [Publication number] JP 2021-182053(P2021-182053A) [Publication date] November 24, 2021 [Patent application title] Optical system and imaging device Canon RF 17-85mm f/4-5.6 Lens Focal length 17.50 40.00 83.50 F value 4.10 4.50 5.70 Half angle of view (°) […]

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