47mm clamp to M42x1 male thread adapter for focusing helicoids

• Front side - 47mm inner diameter
• Rear side - M42x1 male thread
• Full length - 14 mm
• Weight - 27 g

This adapter allows using projection lenses that have 47mm barrel diameter on Chinese focusing helicoids with M42x1 screw thread. Such setup is great for portrait and macro shots.

The adapter is secured by 3 set screw (installed) with an allen key (included).

Made of high quality aluminium alloy.