Canon has just filed a new patent for EF 600mm F4 DO IS USM lens. This new telephoto DO lens is rumored to be announced in late 2017.
Detail translated by Google:
- Patent Publication No. 2016-200685
- Published 2016.12.1
- Filing date 2015.4.9
- Example
- Focal length 585.00
- F-number 4.12
- Angle of view 2.12
- Image height 21.64
- Overall length of the lens 335.32
- BF 66.92
Source: EGAMI
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