This focusing helicoid tube is made with standard M42 mount and light-weight alloy.
It is useful for those lenses without focus ring, offers fine focus control for macro photography.
Mounting Extension Tube in between the camera body and lens will create more distance between the lens and film plane.
The greater the length of the extension tube, the closer the lens can focus.
Length: 15mm(min) to 26.5mm(max), it offers a total of 11.5mm movement distance for the lens focusing.

Technical Details

Product Details

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

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

ASIN : B01IR1IFO6