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Canon has filed a new 58mm f/1.4 lens patent (JP 2018-97240) for full frame DSLR with a controllable soft-focus value.
- Focal length: 57.58mm
- F number: 1.43
- Half angle of view: 20.60
- Image height: 21.64mm
- Lens length: 160.04mm
- Back focus: 40.43mm
See also: New Canon DSLR and Mirrorless Cameras Registered with Certification Bodies.
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