New Patent: Canon RF 100-400mm f/5-7.1 IS USM Lens

Canon has filed a new lens patent for the RF 100-400mm f/5-7.1 IS USM Lens for Canon full-frame mirrorless cameras. See the patent details below. Canon RF 100-400mm f/5-7.1 IS USM Focal length: 103.00mm 200.00mm 388.50mm F-number: 5.00 6.26 7.10 Half angle of view: 11.86° 6.17° 3.19° Image height: 21.64mm 21.64mm 21.64mm Lens overall length: 215.58mm 255.38mm 293.58mm Backfocus: 38.40mm […]

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