Latest patent document surfaced over the web shows Canon 55mm F3.5 mm Macro Lens for APS-C Mirrorless cameras / EOS M Series camera.
Patent details translated by google
- Patent Publication No. 2015-215391
- Published 2015.12.3
- Filing date 2014.5.8
- Example 1
- Focal length 53.73
- F-number 3.50
- Half angle (in degrees) 14.26
- Image height 13.66
- Overall length of the lens 76.39
- BF 17.69
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