Canon has published a patent for a new zoom cinema lens with a soft focus mechanism. The lens is for the Super 35 image sensor size.
Patent Publication No. 2014-235203 (Google Translated)
- Published 2014.12.15
- Filing date 2013.5.31
- Zoom ratio 7.50
- The focal length f = 34.00-68.00-102.00-136.00-254.99mm
- Fno. 2.70
- Half angle ω = 24.58-12.88-8.67-6.52-3.49 °
- Image height Y = 15.55mm
- Overall length of the lens 441.54mm
- BF 51.02mm
- 4-group zoom of positive and negative negative-positive
- Spherical aberration adjustment group (soft focus)
- Not shift the focus position can be switched to soft focus
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