Canon RF 15-45mm f/4.6-8 Lens Patent
Canon has filed a new lens patent for the RF 15-45mm f/4.6-8 Lens for 35mm full-frame mirrorless cameras. Take a look at the patent details below:
[Publication number] JP 2021-26196(P2021-26196A)
[Publication date] February 22, 2021
[Patent application title] Optical system and imaging device
Zoom ratio: 2.92
Focal length: 14.95 28.12 43.68 mm
F number: 4.62 6.22 8.00
Half angle of view: 55.35 37.57 26.35
Image height: 21.64 21.64 21.64 mm
Lens length: 92.22 86.07 89.94 mm
Back focus: 4.95 17.00 30.06 mm
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