Trial frame
RS300
Technical Data
Usages:
It Is Suitable for Eyesight Examination in Spectacles Shops, Department of Ophthalmology in Hospitals, Schools and Enterprises.
Features:
Pd Adjustable Range (10 Specification): 54mm\56mm\58mm\60mm\62mm\64mm\66mm\68mm\70mm\72mm
| 1,Range of PD adjustments |
48mm~60mm, pupillary distance of each specifcation of lens testing frame increase 2mm in turn. |
| 2,Axial calibration on each disc |
165°~0°~180°~25° axis graduation line runs counter clockwise along axis graduation line of lens frame, with inerval of graduation line being 5°. |
| 3,Inner diameter of lens frame |
Φ34mm |
| 4,The Number of lens which can be inserted into left or right lens frame simultaneously |
4 pieces |
| 5,Degree that front lens rotates around optic axis inside lens frame |
360° |
| 6,Non-parallelism degree between lens' optical axis and lens frame's geometric axis |
≤2.5° |
| 7,Non-concentricity between lens' optical center and lens frame geometric center |
≤0.5mm |
| 8,Displacement of lens in relation to position of lens frame geometric center |
≤0.3mm |
| 9,Range of nose pad adjustment |
up and down direction 4mm. |
| 10,Range of left or right lens frame leg's length adjustment |
90mm`99mm,,length of specification of trial frame increase 1mm in turn. |
| 11,Maximum interval between left and right lens frame legs |
200mm |
| 12,Weight |
35.6g~37.4g Weight of specification of trial frame increase 0.2g in turn. |
All the trial frame pictures
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