M65 to M65 Adjustable Focusing Helicoid Adapter

Brass M65 to M65 Adjustable Focusing Helicoid Adapter 17-31mm Macro Tube M65-M65 Fotofox This focusing Helicoid tube is made with standard M65 mount. Made of Anodized Aluminum in Black finish with high quality. The length of this Helicoid tube 17mm (min) to 31mm (max), it offers a total of 14mm movement distance for lens focusing. Independent product assembly, There will be 1 to 2mm deviation. . Don't try clean the inside of tube. Material: Parts Brass+Aluminum