Length: 36mm(min) to 90mm(max), it offers a total of 54mm movement distance for the lens focusing.
Compatibility: M52 to 42mm screw mount lens and camera
This focusing helicoid tube is made with M52 front mount and standard M42 rear mount and light-weight alloy. It is useful for those lenses without focus ring, offers fine focus control for macro photography.
Use this tube with your normal lens and you will get the quality, which is as good as the original lens and the size, sharpness and versatility is perfect for the macro and close-up pictures.
Note: There is no electronic connection between the body and the lens. Auto-focus function cannot operate. When using the extension ring with a DSLR/ SLR, the camera should be set in the ''M'' mode

Technical Details

Product Details

Package Dimensions
Width : 2.76 inch
Height : 1.69 inch
Length : 2.76 inch

Shipping Weight: 5.28 ounce (View shipping rates and policies)

ASIN : B01IEZY7B0