Patent: Optical formulas for a trio of wide f/1.8 prime lenses for the RF-S mount | Canon Rumors
Is there such a thing as an “RF-S mount”?
I thought that “RF-S” lenses would fit on normal RF mount, as well as on crop cameras, but that full-frame models would electronically recognise RF-S lenses, and crop the frame accordingly?
Or have I got it wrong?
