OpticalLimits has recently reviewed the Canon RF 10-20mm f/4L IS STM. This was an impressive optic when Canon released it in October 2023, and we had predicted it would be a strong performer based on its MTF.
You can read all about that right here. The key features of the Canon RF 10-20mm f/4L IS [. . . ]
Source
. canonrumors.com2024-6-26 14:34