Flange Locking: The adapter ring has a threaded flange-locking structure which is robust and reliable. The lens will not shake after installation
Lightweight: In order to reduce weight and robustness, the adapter is made of high-strength aerospace aluminum alloy. The N.W. of the adapter is only 45 grams
Focus to Infinity: Advanced CNC processing and professional assembly technology ensure product quality. The lenses will focus to infinity on your cameras
Hard Anodizing: Aluminum alloy parts are anodized. Hard-anodized aluminum has good wear resistance and corrosion resistant
Aluminum Alloy: The adapter is made of aluminum alloy with high strength and low density. Not only ensure safety, but also reduce the weight