Updated: Patent: EF 15mm f/4 & EF-M 9.5mm f/4

Update: Canon News has dug a bit further and come to the conclusion that these optical formulas are for a fisheye due to the lenses having a 175 degree field of view. A new patent showing an optical formula for a new wide angle prime has appeared. The full frame lens in the application is Read more...

updated patent 15mm ef-m 5mm

2018-1-12 18:34