Canon latest patent surfaced over the web shows compact waterproof 45X zoom lens made for a compact camera, take a look at the details below translated from Japanese
- Patent Publication No. 2014-109664
- Published Date 2014.6.12
- Filing date 2012.11.30
- Related 2014-109665,2014-109666
- Example 1
- Zoom ratio 44.41
- Focal length f = 4.62-13.02-205.00mm
- Fno. 3.91-6.14-9.00
- Half angle ω = 36.14-16.58-1.08 °
- The overall length of the lens 99.33-103.38-113.64mm
- BF 12.11-10.81-4.28mm
The lens is probably made for upcoming rugged compact camera, but 45X is really a great range for a underwater/rugged camera.
