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: 2.0X   

dia of lens bottom: 28mm  

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

package including:    

1 x eyepiece adapter lens