M42 17-31mm Adjustable Helicoid Adapter

1 This focusing helicoid tube is made of good aluminium alloy, sturdy and durable, equipped with standard M42 mount. 2 The length of this helicoid tube is adjustable, it offers a distance for lens focusing adjustment, easy to use. 3 This helicoid tube is useful for those lenses without focus ring. 4 It can be used as macro barrel and offers fine focus control for macro photography. 5 It will be better when you use it with filter adapter together.Features:
This focusing helicoid tube is made of good aluminium alloy, sturdy and durable, equipped with standard M42 mount.
The length of this helicoid tube is adjustable, it offers a distance for lens focusing adjustment, easy to use.
This helicoid tube is useful for those lenses without focus ring.
It can 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:
Condition: 100% Brand New
Material: Aluminium Alloy
Color: as picture shown
Adjusting Length: 17-31mm
Size: Approx. 5.7x5.7x2.3cm/2.2x2.2x0.9inch
Package List:
1 x Focusing Helicoid Adapter

What's in the box
1 x Focusing Helicoid Adapter