[BEST CHOICE FOR LENS MAGNIFICATION] The NEWYI Focusing Helicoid Adapter is for magnifying or adjusting lenses, providing a focus system for lenses without one.
[PRECISE FOCUS CONTROL] This adapter can also function as a macro tube, offering fine focus control for macro photography with a 30mm adjustable distance.
[DURABLE ALUMINUM ALLOY] Made of black anodized aluminum alloy, this adapter ensures a long service life and a comfortable hand feel during use.
[ADJUSTABLE FOCAL LENGTH] With a focal length range of 25mm to 55mm, this tube allows for versatile focusing options for different photography needs.
[ANTI-REFLECTION DESIGN] The inner wall of the tube is matted to prevent the influence of reflected light, ensuring high-quality imaging results.

Spec:
Condition: Brand New
Item Type: Focusing Helicoid Tube
Material: Aluminium Alloy
Color: Black
Weight: Approx. 73.0g
Focus range: 25-55mm/1.0-2.2 in

Interface: Female: M42 threaded mount; Male: M39 thread mount

Package List：
1 x Focusing Helicoid Tube
Note：
1. Please allow 1‑3cm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.
3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.