62.5mm clamp to M65x1 male thread adapter for helicoids

Description

62.5mm clamp to M65x1 male thread adapter for helicoids
Front side – 62.5mm inner diameter
Rear side – M65x1 male thread
Distance between flanges – 10mm
Weight – 20 g
This adapter allows using LOMO projection lenses that have 62.5mm barrel diameter on Chinese focusing helicoids with M65x1 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).
Improvement over first version is intermediate flat spring protecting a lens body from damage by screws.
Made of light alloy (aluminium 6061 or D16T), anodized to black color and laser engraved.
For sale is the 62.5mm to M65 adapter only. All other items are pictured just for reference.