M42 to Adjustable Focus Helicoid Adapter 12-17mm/17-31mm/25-55/36-90mm NEW D
- This helicoid tube is useful for those lenses without focus ring
- The length of this helicoid tube is adjustable, it offers a distance for lens focusing adjustment, easy to use
- It will be better when you use it with filter adapter together
- This focusing helicoid tube is made of good metal, sturdy and durable, equipped with standard M42 mount
- It could be used as macro barrel and offers fine focus control for macro photography
