Canon has filed a new lens patent for EF-S 55-200mm f/4-6.3 STM Lens, which is expected to replace the popluar EF-S 18-200mm f/3.5-5.6 IS Lens. The further details are still unknown.
Take a look at the patent details below translated by Google.
Patent Publication No. 2015-197655
- Published 2015.11.9
- Filing date 2014.4.3
- Zoom ratio 3.68
- Focal length 54.36 133.00 199.99
- F-number 4.14 5.22 6.32
- Half angle of 14.11 5.86 3.91
- Image height 13.66
- Overall length of the lens 129.39 161.77 167.04
- BF 46.78 66.90 78.18
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