It can fit for our 180x and 300x lens. (the eyepiece parts are removable.)  

When change a new eyepiece part, you can make the objective lens new magnification.  

Features:   

material: metal  

c-mount threads for C-mount Digital Camera  

Magnifier Power: 1.0X   

Dia of Lens bottom: 28mm  

for 28mm-32mm Microscope eye tube(include 30mm, 30.5mm, you can add diameter by tape)  

Package Including:    

1 x Eyepiece Adapter Lens