Specifications of Lensmeter In-Side Reading mod. CH-100
CH-100A: without prism compensation
CH-100B: with prism compensation
FEATURES: | 1、Internal reading |
2、±25D measurement |
3、Wide field of vision observation |
MAIN TECHNICAL INDEXES |
Range of measurement：
Minimum scale value： | －25D～＋25D |
－5D～＋5D：0.125D；
－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) |
Prism basal angle： | 0～180°Minimum scale value 1° |
Range of ocular visibility adjustment： | －5D～＋5D |
Size of measured lens： | Φ16～Φ80mm |
Lamp of illumination： | 220V / 110V 15W |