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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 of the lens 489.32
BF 39.28
Patent of Canon
Inner zoom

Via-Egami

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