Articles
Canon Files Patent for EF-S 18-100mm f/3.5-5.6 IS STM
The-Digital-Picture_com
According to the Egami Blog, Canon has filed a patent for an EF-S 18-100mm f/3.5-5.6 IS STM optical design.
Description of Patent
Patent Publication No. 2016-1224
Description of Patent
Patent Publication No. 2016-1224
- Published 2016.1.7
- Filing date 2014.6.11
- Focal length 18.59 47.22 94.99
- F-number 3.60 4.92 5.88
- Half angle of view (degrees) 36.31 16.14 8.18
- Image height 13.66 13.66 13.66
- The total lens length 137.78 158.04 178.30
- BF 35.39 52.79 64.61
