[BEST CHOICE FOR PRECISE FOCUSING] The focusing tube provides a focusing system for lenses without one, for zooming in or changing the lens.
[MACRO FOCUS CONTROL] Can also be used as a macro tube to provide fine focus control for macro photography.
[ADJUSTABLE FOCAL LENGTH] Focal length ranges from 12mm to 19mm, allowing for an adjustment distance of 7mm for precise lens focusing.
[DURABLE ALUMINUM ALLOY] Made of black anodized aluminum alloy for a longer service life and excellent hand feeling.
[ANTI-REFLECTION DESIGN] The inner wall is treated with extinction to prevent reflected light from affecting imaging quality.

Spec:
Condition: brand new
Item type: Focusing Tube
Material: aluminium alloy
Color: black
Weight: Approx. 56g
Focusing range: Approx. 12-19mm/0.5-0.7in
Interface: Female port: M42 threaded mount
Male port: M39 threaded mount

Package List：
1 x

Focusing Tube
Note：