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 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