Canon has just filed a new patent of EF-S 15-105mm F2.8-5.6 STM lens. It is similar to the current Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens.
Patent Publication No. 2015-118141(Google Translated)
- Published 2015.6.25
- Filing date 2013.12.17
Example
example | zoom ratio | focal length | Fno. | half angle | Image height | length | BF |
---|---|---|---|---|---|---|---|
1 | 4.12 | 24.75 52.09 101.92 | 3.60 4.81 5.83 | 41.16 22.56 11.98 | 21.64 | 146.25 166.83 195.25 | 38.99 58.34 73.70 |
2 | 6.81 | 15.40 22.95 104.92 | 2.88 3.39 5.60 | 41.57 30.76 7.42 | 13.66 | 149.46 154.42 222.88 | 38.13 46.49 77.97 |
Source: EG
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