Here is a new Canon patent application, as usual for RF-mount lenses. Canon patent application…
Canon patent for 12-385mm f/1.8-4 lens for 4/3 sensor
Canon patent application P2017-223752A describes a 12-385mm f/1.8-4 lens designed for a 4/3 sensor.
Focal length: 12.00 – 385.00 mm
F No.: 1.85 – 4.00
ω: 39.06 – 1.61
Image height: 9.74 – 10.82 mm
Back focus: 24.11 – 11.01 mm
Lens length: 254.88 – 280.86 mm
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