Optometry Portable Handheld Optical Manual Lensometer China Manufacturer Supplier Price
| eyepice focusing range | -5~+5D |
| lens measuring range | -20~+20D |
* Features:
1.25D measurement
2. Wide field of vision observation
* Technique Parameters:
1) Range of measurement: -25D~+25D, Minimum step: -5D~5D: 0.125D
-5D~-25D & +5D~+25D: 0.25D
2) Astigmatism axis angle of cylindrical lens: 0~180Minimum step 1
3) Prism degree:
Model A 0~5∧ Minimum scale value 1∧
Model B (with prism compensator) 0~20∧ Minimum step 1∧
4) Prism basal angle:
0~180Minimum step 1,
180~360Minimum step 5
5) Range of ocular visibility adjustment: -5D~+5D
6) Size of measured lens: Φ 16~Φ 80mm
7) Overall dimensions: 280mm X 150mm X 450mm
8) Weight: Model A 4.9 kg
Model B (with prism compensator) 5.0 kg
9) Lamp of illumination: 220V/110V 15W
10) Packing size: 37*22*55cm 8/7kg
