• Front side - 39mm male dovetail mount
• Rear side - M42x1 male thread

Made of high quality aluminium alloy.

This adapter allows using a camera (film or digital) with a microscope to take hi-res pictures of micro world.

Camera side mount is very common M42x1 thread. There are many M42 adapters on the market, so you can find it for virtually any camera that allows it physically.

Dovetail part is made with 39mm max diameter. 

Very easy to use, and picture quality is very high.