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Canon filed a new lens patent Canon 40-800mm F4.5-5.6

Lens-patentA Patent of new lens Canon 40-800mm F4.5-5.6 has been filed by Canon Japan and the lens is going to be the telephoto zoom lens.

Patent Publication No. 2016-128846 Published 2016.7.14 Filing date 2015.1.9 Example 1 Zoom ratio 19.42 Focal length 41.09 92.80 152.20 225.00 797.99 F-number 4.67 4.66 4.65 4.67 5.71 Angle of view 27.79 13.13 8.10 5.50 1.55 Image height 21.65 Overall length

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