This device is applicable to all-level measurement testing departments, spectacles manufacturers, spectacles retail stores, hospital's department of ophthalmology and optical elements factories for conducting measurement of spherical lens diopter of spectacles or lens, diopter of cylindrical lens, astigmatism axis angle of cylindrical lens, prism degree and prism basal angle.

 

 

+/- 25D measurement

Wide field of vision observation

Prims compensation optional

Range of measurement	－25D～＋25D
Minimum scale value	－5D～＋5D 0.125D steps
	－5D～＋5D 0.125D steps
	－5D～－25D &＋5D～＋25D 0.25D
Astigmatism axis angle of cylindrical lens	0～180°Minimum scale value 1°
Prism degree	Model A 0～5△ Minimum scale value 1△
	Model B (with prism compensator) 0～20△ Minimum scale value 1△
Prism basal angle	0～180°Minimum scale value 1°
Range of ocular visibility adjustment	－5D～＋5D
Size of measured lens	16mm～80mm
Overall dimensions	226mm(L)×150mm(W)×390mm(H)
Weight	Model A 4.2kg
Power	220V/110V  15W for lamp