Smooth surface for effortless mount,infinity focus allowed.
Made of brass and aluminum (not plastic), anodized aluminum construction. Diaphragm control of the lens is set manually.
Please note: Infinity focus position：the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity.

Technical Details

Product Details

Package Dimensions
Width : 1.97 inch
Height : 1.97 inch
Length : 1.97 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B0721JWCNG