1 The focusing tube is the best choice for zooming in or changing the lens. It provides a focusing system for lenses without a focusing system. 2 Can also be used as a macro tube to provide fine focus control for macro photography. 3 The length of the focal length is 12mm/0.5in (minimum) to 19mm/0.7in (maximum), which provides an adjustment distance of 7mm/0.3in for lens focusing. 4 Made of aluminum alloy, black anodized, longer service life, excellent hand feeling. 5 The inner wall of the focusing tube is treated with extinction to avoid the influence of reflected light on imaging. 6 Use universal M42 and M39 threaded interface, strong versatility, easy to transfer. 7 The focusing tube allows the idle old lens to be used for shooting with a digital camera.Condition: 100% 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
What's in the box
1 x Focusing Tube
