Canon Patent Application: Canon RF 50mm F1.8

A lens that we pretty much know that Canon will most likely do for the RF mount is the quintessential 50mm F1.8.

In this patent we have the following lens data;

F-number 1.85
half angle (in degrees) 23.95
image height 21.64
total lens length 58.55
BF 20.94

Focal length 48.70
F-number 1.85
field angle 23.95
Image height 21.64
total lens length 58.55
BF 20.15

Focal length 48.70
F-number 1.85
half angle (in degrees) 23.95
Image height 21.64
total lens length 58.55
BF 16.48

focal length 48.70
F-number 1.85
half angle (in degrees) 23.95
Image height 21.64
total lens length 58.55
BF 19.38

Essentially all of them are 50mm F1.8 designs for the RF mount

Japan Patent Application 2019-184748