Range of diopter measurement:        

0~±20

Minimum scale value:                 

0.125Dat 0~±5D

0.25Dat ±5D~20D

Cylindrical lens axis of astigmatism:

0~180゜,Minimum scale value:1゜

Prism diopter:                       

0~20Δ,minimum scale value 1Δ

Prism basal angle:                   

0~180゜,minimum scale value 1゜

Adjustable range of eyepiece:        

±5D

Measured size of lens:               

φ16~φ80mm

Dimensions:                          

330(L)x170(W)x490(H)

Weight:                              

6.4kgs

Illuminating lamp:                   

110V/220V   15W LED lamp