Sell ♗▩♟M42 To M42 Mount Focusing Helicoid Ring Adapter Adjustable From 12 Mm To 17 Mm best price

Description: This focusing helicoid tube is made of good metal, sturdy and durable, equipped with standard M42 mount. The length of this helicoid tube is adjustable, it offers a distance 12-17mm for lens focusing adjustment, easy to use. This helicoid tube is useful for those lenses without focus ring. It could be used as macro barrel and offers fine focus control for macro photography. It will be better when you use it with filter adapter together. Specification: Material: Aluminium Alloy Color: Black Options(Adjusting Length): 12-17mm Size/Diameter: Approx. 5.8cm / 2.28inch Package Includes: 1 x Focusing Helicoid Adapter