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

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Canon has filed a new lens patent for the RF 17-85mm f/4-5.6 Lens, which is designed for Canon EOS R series mirrorless cameras.

[Publication number] JP 2021-182053(P2021-182053A)
[Publication date] November 24, 2021
[Patent application title] Optical system and imaging device

RF 17-85mm f/4-5.6

Focal length 17.50 40.00 83.50
F value 4.10 4.50 5.70
Half angle of view (°) 51.50 28.81 14.76
Maximum image height 22.00 22.00 22.00
Real image height 19.43 22.05 22.41 Overall
length (front lens) From to sensor) 130.50 135.64 183.50
Back focus 14.89 34.26 43.12

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Via: ipforce.jp