It could be used as Macro barrel and offers fine focus control for macro photography.
This focusing Helicoid tube is made with standard M42 mount.
Made of Anodized Aluminum in Black finish with high quality.
This Helicoid tube is useful for those lenses without focus ring.
The length of this Helicoid tube 17mm (min) to 31mm (max), it offers a total of 14mm movement distance for lens focusing.

Technical Details

Product Details

Package Dimensions
Width : 2.76 inch
Height : 1.38 inch
Length : 2.76 inch

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

ASIN : B06XRVQG2T