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

New Canon patent surfaced on the web. This time Canon filed a new lens patent for the RF 17-85mm f/4-5.6 Lens. You might guess from the RF designation this will be designed 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

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