Canon patents 16-35mm f/2-2.8 lens
Canon filed a patent in Japan for a new 16-35mm f/2-2.8 lens:
The design is very similar to the current EF 16-35mm f/2.8L lens:
- Patent application: 2011-13469
- Released on: 01/20/2011
- Filed on: 02/07/2009
- Focal length: 16.48-24.02-33.95mm
- Aperture: 2.17-2.46-2.91
- 105.40-84.02-65.02 ° angle
- Image circle 43.28mm
- Total lens length 154.12-145-89-147-20mm