Pixco

12mm to 19mm M42 Mount Lens Adjustable Focusing Helicoid Macro Tube Adapter

M42 to M42 Mount Lens Adjustable Focusing Helicoid Macro Tube Adapter - 12mm to 19mm?The all-metal adapter is designed to fit the lens securely, yet can still be removed easily when not needed.?Introduction:This tube useful for lens without focusing...