Canon has just filed a new patent for EF 40-800mm F4.5-5.6 lens. This is a new super telephoto zoom all-in-one lens for Full-Frame cameras.
Detail translated by Google:
- Patent Publication No. 2016-128846
- Published 2016.7.14
- Filing date 2015.1.9
- Example
- 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
Source: EGAMI
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