M65x1 female to M39x1 male thread adapter for helicoids

• Female side - M65x1 (used by Chinese focusing helicoids)
• Male side - M39x1 (also known as L39, LTM, Leica Thread Mount)
• Max. diameter - 69mm
• Distance between flanges - 6mm
• Weight - 15g

This adapter allows using Chinese focusing helicoids with M65x1 thread on cameras, bellows or helicoids with M39x1 mount.

Made of anodized aluminium.