[17mm-31mm]

[36mm-90mm]

[12mm-17mm]

Made of sturdy and durable metal
Equipped with a standard M42 mount
Adjustable length allows you to easily adjust the focus of your lens
Useful for lenses without focus ring
Allows for fine focus control in macro photography

Specifications:
Features:

This central helicoid tube is made of good quality metal, sturdy and durable, equipped with a standard M42 mount.

This helicoid tube is adjustable in length and has a distance to focus the lens and is easy to use.

This helicoid tube is useful for lenses without a focus ring.

/>It can be used as macro mirror, providing delicate focus control when shooting macro.

Works better with filter adapters.

Specifications:

Material: Aluminum Alloy

Color: Black

Optional length adjustment: 12-17mm; 17-31mm; 25-55mm; 36-90mm

Size/Diameter: Approx. 5.8 cm / 2.28 inch

Weight: Approx. 57-102g

Package List:

1 x Focusing Helicoid Adapter