Handheld Optical Optometry Equipments Portable Manual Lensmeter
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.
Description
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.
| Range of measurement | －25D～＋25D |
| Minimum scale value | －5D～＋5D: 0.125D;－5D～－25D, ＋5D～＋25D: 0.25D |
| Astigmatism axis angle of cylindrical lens |
0～180° Minimum scale value 1° |
| Prism power | 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 | 4.2kg |
| Lamp of illumination | 220V/110V 15W |
