By Roger Cicala Published August 24, 2020
Canon RF 600mm f/11 IS STM at Lensrentals.com starting at $37 for a 7 day rental
Here I sit, the guy who gets poetic writing about tiny resolution differences in high-priced wide-aperture lenses, having just bought this lens. Its aperture is in the diffraction- softening range. The manufacturer’s (pronounced ‘better than reality’) MTF charts aren’t very good.
600mm f/11 compared to 100-500mm f4.5-7.1 at 500mm, Canon.com
So why did I buy this pig? Because it could ﬁt a need, of course. Despite the religious fervor with which some worship certain lenses and brands, despite my complaints about this lens’ astigmatism or that lens’ corners, it always comes down to...