04-07-2024, 09:15 PM
I'd guess, they don't take RSAs into account. The basically "flat" portion from f/5.6 to f/16 is not how diffraction works.
Just my 2c, of course
Just my 2c, of course
Chief Editor - opticallimits.com
Doing all things Canon, MFT, Sony and Fuji
Doing all things Canon, MFT, Sony and Fuji