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 of the lens 489.32
BF 39.28
Patent of Canon
Inner zoom


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