>>3703798>>3704623That's a resolution issue, not sensor size. Actually, most of the time lenses for full frame give better performance on crop sensors because these crop the shittiest periphery of the image, greatly reducing falloff, coma, etc.
Going back to the original questiona bout canon lenses, I think
>>3703792 was talking about compatibility, since you can't use vintage canon glass designed for film directly on modern dslrs. Anyways, this is a vintage glass thread, who cares about sharpness.
