Lots of Optical Formula Lens Patents for the Canon RF Mount
Canon has filed six new patents for RF 14-40mm f/4L, RF 15-35mm f/2.8L IS USM, RF 15-35mm f/4L, RF 16-35mm f/4L, 16-40mm f/4L and RF 17-70mm f/3.5-5.6 Lens, which are designed for Canon EOS R system. Take a look at the patents details below: Japan Patent Application 2019-066701 Canon RF 15-35mm f/2.8L Focal distance 15.30mm 24.20mm 34.00mm F number 2.91 2.91 […]
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