Canon EF 50mm f1.2L USM extension tube good spring action

good spring action

and manual

so it'll work just fine on any manual focus K mount camera

Works for regular picture-taking and self-timer function

about 12k actuations

Canon EF 50mm f1.2L USM extension tube good spring actionYou don't see a Canon EF 50mm f1. 2L every day, but here's one now: this is a large, heavy full frame standard lens for the EF mount, with lovely imaging and a fast f1. 2 maximum aperture. Just to set expectations, you should know that f1. 2 is a hard aperture to work with, with razor thin depth of field and a noticeable softness. It looks great, but if you're the kind to shoot test targets and argue online about it, this is probably not the lens for