Canon Japan has just filed a new lens patent on EF 40-800mm f/4.5-5.6 super telephoto zoom all-in-one 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: EG
Affiliate Disclosure: Some of the links in this article are affiliate links. As an Amazon Associate I earn from qualifying purchases. This means if you click on the link and purchase the item, we may receive a small commission at no extra cost to you. This helps support our site and allows us to continue making comprehensive reviews.