Front side - 52.5mm inner diameter
Rear side - M65x1 male thread
Weight - 30 g

This adapter allows using projection lenses that have 52.5 mm 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).

Distinctive feature of this slim version is possibility to mount it in reverse direction if you need to put a lens bit deeper into helicoid.

Made of light alloy, anodized to black color and laser engraved.

For sale is the adapter only. The lens and helicoid are pictured for reference only.

52.5mm clamp to M65x1 male thread adapter (projection lenses on helicoids), SLIM (RafCamera)