Sigma-300mm zoom I have a used Sigma 75-300 for my Sony a200. It only works in manual mode Why . In all other mode I keep getting a reading ( No Len attached Shutter is locked, All but manual. hope you can help
Cameras - Sigma - 75-300mm f/4-5.6 DL Lens for Nikon AI
Answers & Comments
Called Sigma service. 1 (631)585-1144