Roger Cicala of Lensrentals noticed that multiple copies of the Canon RF 100-500mm f/4. 5-7. 1 returned to the warehouse with the same visible crack in an internal element. Why it kept happening was a mystery.
Cicalas initial assumption was that it had to do with Canon’s change in the optical stabilization system, which no longer locks […]. petapixel.com
2021-1-23 20:49