yeah, the HSM version

来源: 于 2009-08-17 13:51:08 [旧帖] [给我悄悄话] 本文已被阅读：次

I have the new HSM version on Nikon D700. I assume the focus speed would be the same on Canon body? since camera body's screw focus is not used in either systems.
I used Canon 24-70L on 50D for a few hundred shots.