This tube useful for lens without focusing ring. And it can be use as macro extension tube. There is no electronic element in the adapter, aperture and focusing must be manually control.
Lens compatibility: M42 screw mount lens
Length: 36mm to 90mm (54mm movement distance for focusing)
Material: aluminium alloy
1 x focusing helicoid
Brand new and unused
- Brand Name: harry good
- Model Number: M42-M42 36-90
- Unit Type: piece
- Package Weight: 0.2kg (0.44lb.)
- Package Size: 20cm x 15cm x 4cm (7.87in x 5.91in x 1.57in)
Tags: ring adapter, focusing helicoid, macro extension tube, Cheap ring adapter, High Quality focusing helicoid, China macro extension tube Suppliers.