Specification

Outer diameter of the top: M42x0.75
Pitch of screws: 0.75 mm
23.2 mm suit for standard 23.2 mm eyepiece diameter biological microscope
30 mm suit for standard 30 mm eyepiece diameter stereo microscope
30.5 mm suit for standard 30.5 mm eyepiece diameter stereo microscope
1.25 inch suit for 31.7 mm eyepiece diameter astronomical telescope

Attention
The pitch of screws is 0.75 mm (M42x0.75), if you need this item with pitch of screws 1 mm, please contact us.
Only the eyepiece transfer tube adapter included, NOT including the camera, the SLR mount and other items.
It must be connected with a extra SLR mount. The price is only for the transfer tube and does not include a SLR mount and other accessories.
Note:
1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.