0.8X Optical Focal Reducer: When this adapter with high-quality optical lens is attached to your camera, the crop factor is reduced to 0.8X.
Flange Locking: The adapter has a threaded flange-locking structure which is robust and reliable. The lens will not shake after installation
Focus to Infinity: Advanced CNC processing and professional assembly technology ensure product quality
Stainless Steel and Aluminum Alloy: The adapter is made of stainless steel and aluminum alloy with high strength and low density;
Matt Paint: To reduce the influence of external stray light on the imaging performance, there are extinction threads and matt paint inside of the adapter