RF 70-300mm F4-5.6 from CANON [Patent]

CANON filed a patent of 70-300mm f/4-5.6 zoom lens for 35mm full-frame mirrorless.

【公開番号】特開2019-20679(P2019-20679A) click here

Specification and lens arrangement of embodiment 1
Zoom ratio: 4.11
Focal length: 71.40~136.34~293.23 mm
F number: 3.94~4.72~5.83
Half angle of view: 16.86~9.02~4.22
Image height: 21.64 mm
Lens length: 165.00~202.03~235.83 mm
Back focus: 12.14~31.67~72.45 mm
L2 is for IS group.

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