canon lens
canon lens
Out of context: Reply #17
- Started
- Last post
- 19 Responses
- BUNKER0
Yolo ( Martin F. ) ... the Sigma lens I have is sharp, no doubt. But each time I press the shutter, the focus change slightly. Doesn't happen with a Canon USM lens. If the camera is fixed ( on a tripod ), the focus should ALWAYS be the same. That means that my Sigma lens can't focus properly, probably why it's cheap ...