Photography Stack Exchange is a question and answer site for professional, enthusiast and amateur photographers. It only takes a minute to sign up.
Sign up to join this community
Considering an Canon EF/EF-S mount adapter for a Sony E mount camera.
Will a full frame A series sony camera like the A7s II be able to use a EF-S lens?
I am guessing that yes, because the sony camera does not have a mirror that flips, then the back of an APS-C lens will not threaten the inner chassis of the camera.
It is just counterintuitive after all these years of having such a clear distinction between full frame and crop sensor lenses.
Yes, you can use EF-S lenses on a Sony A7s II. The camera has a crop mode that will automatically crop the image to match the APS-C image of the EF-S lenses.
You can also turn off the crop mode and shoot full frame mode with EF-S lenses. Wide angle lenses like the EF-S 10-18 STM and EF-S 10-22 will not vignette at all when used at 14mm-22mm.
You're correct in that the lens will mount and there's obviously no mirror to foul on the lens - but remember that EF-S lenses throw an image circle which is only as large as an APS-C sensor, so you'll get severe vignetting if used on a full frame sensor. Exactly how much depends on the lens - the EF-S 10-22 can actually be used relatively successfully even on a full frame Canon SLR, but other lenses are probably in the "don't bother" category.
