Egami has discovered a new patent filed by Canon. The new patent describes lens designs for several 85mm and 50mm prime lenses.
EF 85mm f/1.2L II replacement, an updated version (85mm f/1.2L III) has been mentioned as being under development for quite some time.
This patent includes both a 85mm f/1.2 and an 85mm f/1.8 lenses as well as a 50mm f/1.4 and a 100mm f/2. Below are the details of the patent.
Canon Patent For EF 85mm f/1.2L III and Several Other Primes
- Patent Publication No. 2014-52412
- Publication date 2014.3.20
- Filing date 2012.9.5
- Example
Example Focal length Fno. Length BF One 85.00 1.24 125.55 38.98 Two 85.00 1.80 113.57 39.50 Three 51.70 1.41 88.04 39.00 Four 100.00 2.00 120.00 39.60 Image height = 21.64mm
via EG
