75mm clamp to M65x1 male thread adapter

• Front side - 75mm inner diameter
• Rear side - M65x1 male thread

Machined from high quality aluminium alloyWhy aluminium?.

This adapter allows using projection lenses with 75mm body diameter on focusing helicoids with M65x1 thread.

Large depth allows adjusting a lens to work with infinity focus or at close distances for macrophotography.

Flat spring protects lens body against damage by screws.