With this adapter, the CS or C lenses can be connected to astronomical cameras which has M42 interface
This adapter is used to attach a C or CS lens to an astronomical camera.
The external thread of the adapter is M42x0.75, the internal thread is 1-1/32", and the thickness is 7mm.
It is made of aluminum alloy CNC processing.
There are two small holes on each side. The holes are not punched so that they will not cause light leakage while make it easy to unmount it from cameras.
The effect after connecting the lens and camera is shown in the following figure.
The dimension diagram of the product is shown in the following figure.