Patent: Impressive super telephoto L zoom lenses for the RF mount

Blue Zurich

Traditional Grip
Jan 22, 2022
The Sigma Contemporary does not focus very well on my R5 either
From all the reports and posts I've heard and read, all of the 150-600 variants are optically superior on R cameras vs dslrs yet lack in the AF department. So, for servo uses, pass but of you are a perched/still life shooter, it might be in your interest to adapt I guess.
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