Canon has recently filed another new patent on EF 50mm f/1.4 lens. Current EF 50mm f/1.4 USM lens was released in 2003. There have several new 50mm f/1.4 patents in the past few years. Previous rumors said next 50mm f/1.4 lens will have IS feature.
Patent:
- Patent Publication No. 2015-138121
- Published 2015.7.30
- Filing date 2014.1.22
- Example 1
- Focal length 49.10
- F number 1.45
- Half angle (in degrees) 23.78
- Image height 21.64
- Overall length of the lens 100.16
- BF 38.10
- Canon patents
- Positive ShiboTadashi
- Inner focus (part of the first group)
via: Eg
Read More: Canon Rumors