[BEST CHOICE FOR LENS MAGNIFICATION] The focusing helicoid adapter provides a focus system for lenses without one, ideal for magnifying or altering lenses.
[PRECISE MACRO CONTROL] Functions as a macro tube for fine focus control in macro photography, enhancing your close-up shots.
[ADJUSTABLE FOCAL LENGTH] Offers a focal length range from 36mm to 90mm, allowing for a 54mm adjustable distance for precise lens focusing.
[PREMIUM MATERIALS] Crafted from aluminum alloy with a black anodized finish, ensuring durability and a comfortable grip for long-lasting use.
[ENHANCED OPTICS PERFORMANCE] The matted inner wall of the helicoid tube prevents the impact of reflected light on imaging, resulting in improved image quality.

Spec:
Condition: 100% Brand New
Item Type: Focusing Helicoid Tube
Material: Aluminium Alloy
Color: Black
Weight: Approx. 149.0g
Focus range: 36-90mm/1.4-3.5 in

Interface: Male: M58 threaded mount; Female: M58 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.