Latest patent document surfaced over the web suggest that Canon is working on a EF-S16-80mm F2-6 STM Lens, the lens is designed and developed for APS-C DSLR cameras.
Take a look at the patent details below translated by google
Description, self-interpretation of the patent literature
- Patent Publication No. 2016-51137
- Published 2016.4.11
- Filing date 2014.9.2
- Example 1
- Zoom ratio 4.71
- Focal length 16.09 41.83 75.78
- F-number 2.07 5.15 6.00
- Half angle of view (degrees) 36.26 18.01 10.17
- Image height 11.80 13.60 13.60
- The total lens length 100.68 110.04 120.89
- BF 15.19 27.94 26.84
The 16-80mm F2-6 lens may arrive in future as a kit lens with Canon 90D or Canon 7D Mark III camera. The lens features excellent wide-angle max aperture range and stepping drive motor for fast and silence auto-focusing.
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source – egami
