2022 Distagon 40mm vs Flektogon 35mm lens center and corner image quality Center-A7ii-full-frame-at-f8-Distagon-vs.-Flektogon-2022-06-06-105707 Corner-A7ii-full-frame-at-f8-Distagon-vs.-Flektogon-2022-06-06-105707 Center-A7ii-full-frame-at-f2.8-2022-06-06-111607 Corner-A7ii-full-frame-at-2.8-2022-06-06-111354 Center-a6100-APS-C-at-f8-2022-06-06-110804 Corner-a6100-APS-C-at-f8-2022-06-06-110804