Canon Japan filed a new super telephoto zoom lens patent for Canon DSLR cameras. This lens is EF 200-600mm f/4.5-5.6L USM full frame lens. Similar to recently released Nikon 200-500mm f/5.6E lens.
- Patent Publication No. 2015-212724
- Published 2015.11.26
- Filing date 2014.5.1
- Example 1
- Zoom ratio 3.00
- Focal length 200.00 340.00 600.00
- F-number 4.60 4.60 5.20
- Angle of view 6.18 3.64 2.07
- Image height 21.65 21.65 21.65
- Overall length of the lens 355.16 355.16 355.16
- BF 65.16 65.16 65.16
via: EG
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