Canon has a new patent application for a new macro lens. The new patent describes the EF-M 55mm f/3.5 lens designed for Canon mirrorless cameras with APS-c sized sensors.
The Canon EF-M 55mm f/3.5 macro lens comes with a maximum aperture of f/3.5. Canon is working seriously on the EOS M system, see the similar optical formula deisgned for Canon full-frame mirrorless system.
Patent details of the EF-M 55mm f/3.5 macro lens for a Canon APS-C sensor mirrorless camera can be seen below.
Canon EF-M 55mm f/3.5 Macro Lens Patent
- Patent Publication No. 2015-215391
- Published 2015.12.3
- Filing date 2014.5.8
- Example 1
- Focal length 53.73
- F-number 3.50
- Half angle (in degrees) 14.26
- Image height 13.66
- Overall length of the lens 76.39
- BF 17.69