Canon RF 13-21mm f/2.8L USM Lens Patent
Canon has filed a new lens patent for the RF 13-21mm f/2.8L USM Lens for Canon EOS R full frame mirrorless camera. Take a look at the patent details below by Google.: [Publication number] JP 2020-30251 (P2020-30251A) [Publication date] February 27, 2020 [Patent application title] Zoom lens and imaging apparatus using the same Zoom ratio: 1.58 Focal length: 13.40mm 17.30mm […]
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