50-200mm F4-5.6 DC OS HSM Refurbished
- For use with smaller chip APS-c cameras only
- Offers Sigma’s OS System (Optical Stabilization)
- HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
This function utilizes a built-in mechanism that compensates for camera shake. It dramatically expands photographic possibilities by alleviating camera movement when shooting by hand held camera.