GD1219002
Manual Lensmeter
FEATURES |
1. Outer reading Lensmeter |
2. ±25D Measurement | |
3. Wide field of visioin observation | |
MAIN TECHNICAL INDEXES | |
Range of measurement |
-25D~+25D |
Minimum: Outer Reading |
-5D~+5D: 0.125D |
Minimum: Inner Reading |
-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) 0~20△ Minimum scale value 1△ | |
Prism basal angle |
0~180° |
Range of ocular visibility adjustment |
-5D~+5D |
Size of measured lens |
Φ16~Φ86mm |
Weight |
4 kg |
Lamp of illumination |
~220V/-3V 3W or ~110V/-3V 3W |