Canon has just filed a new patent for EF 1000mm F5.6 DO Lens. This is a new super telephoto prime lens.
Details translated by Google:
- Patent Publication No. 2016-102852
- Published 2016.6.2
- Filing date 2014.11.17
- Example
- Zoom ratio 1.00
- Focal length 950.00
- F-number 5.80
- Angle of view (in degrees) 1.30
- Image height 21.64
- Overall length of the lens 485.94
- BF 0.40
- Diffractive optical element (first group)
- Inner focus
Source: EGAMI
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