Customize Aluminum Lens Focusing Helicoid Adapter For M42-M42 25-55mm
Made of aluminum. Color: Black
It could be used as Macro barrel and offers fine focus control for macro photography. This focusing Helicoid tube is made with standard M42 mount. Made of Anodized Aluminum in Black finish with high quality. This Helicoid tube is useful for those lenses without focus ring. The length of this Helicoid tube 25mm (min) to 55mm (max), it offers a total of 30mm movement distance for lens focusing.