This focusing Helicoid tube is made with standard M52 female front mount and M42 male rear mount.
The length of this Helicoid tube 25mm (min) to 55mm (max), it offers a total of 30mm movement distance for lens focusing.
Made of Anodized Aluminum in Black finish with high quality.
This Helicoid tube is useful for those lenses without focus ring.
It will be better when you use it with filter adapter together.

Technical Details

Product Details

Package Dimensions
Width : 2.99 inch
Height : 1.42 inch
Length : 3.11 inch

Shipping Weight: 4 ounce (View shipping rates and policies)

ASIN : B06XWZJXZL