M65x1 female to M42x1 male thread adapter for helicoids 38mm clamps It's purpose it to bring

It's purpose it to bring a lens 15mm further from the camera sensor to allow you shooting from closer distance

Front side - RMS (0

background-attachment:scroll} Front side - SM2 female thread (2"-40tpi)

Made of high quality aluminium alloy

This way you will need just micro adjusting after switching from one objective to another

M65x1 female to M42x1 male thread adapter for helicoids 38mm clamps It's purpose it to bringFemale side M65x1 (used by Chinese focusing helicoids) Male side M42x1 (universal mount for Zenit Praktica) Max. diameter 69mm Distance between flanges 6mm Weight 22g This adapter allows using Chinese focusing helicoids on M42x1 cameras bellows. Can be used for other purposes if your lens has same mount thread. Made of anodized aluminium. For sale is the M65 to M42 adapter only. All other items are pictured just for reference.