Features:
2.big observation window
3.±25 measure
Main Technical Indexes
1.Range of measurement:-25D~+25D
Minimum scale value:-5D~+5D:0.125D; -5D~-25D、+5D~+25D:0.25D
2.Astigmatism axis angle of cylindric lens:0~180°Minimum scale value 1° 3.Prism diopter standard model:0~5△ Minimum scale value 1△
Strengthened Model:0~20△ Minimum scale value 1△
4.Prism basal angle: 0~180° Minimum scale value 1° 180°~360°Minimum scale value 5°
5.Regulation of ocular visibility:-5D~+5D
6.Size of lens:F16mm~ F80mm
7. Overall dimensions of device:280mm(L)×150mm(W)×450mm(H)
8.Carton size:350*190*505mm(1pc packing),410*365*560mm(2pcs packing)
9.Net weight:standard model:5.2kg Strengthened Model:5.3kg
10.Gross weight:standard model:6.5kg Strengthened Model:6.6kg
11.Lighting lamp:220V/110V 15W