Canon filed a new patent in Japan. The new patent describes the EF-S 15-105mm f/2.8-5.6 STM lens which looks like to be a new kit lens for APS-C sensor Canon DSLRs.
The patent application shows the details of a kit lens covers a excellent range starting from 15 to 105mm. The EF-S 15-105mm f/2.8-5.6 STM lens comes with a Stepping Motor.
If the lens becomes available into production, it will be a versatile lens for EOS 7D Mark II users. See the EF-S 15-105mm f/2.8-5.6 STM lens patent details.
Canon EF-S 15-105mm f/2.8-5.6 STM Lens Patent
- Patent Publication No. 2015-118141
- Published 2015.6.25
- Filing date 2013.12.17
- Example
embodiment Example Zoom ratio Focal length Fno. Half angle Image height Overall length of the lens 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 - Canon patents
- Positive and negative positive and negative positive and negative positive 7-group zoom
- Inner focus (fourth group)
via Egami
