TF-X Trial frame for normal lenses and progressive lenses,5pcs/set
Description
| Product Abstract: | |||||||
| It is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, | |||||||
| schools and enterprises. | |||||||
| It can be used for normal lenses or progressive lenses. | |||||||
| Detailed Product Description: | |||||||
| 1. PD range (10 specification): 52mm、54mm、56mm、58mm、60mm、62mm、64mm、66mm、68mm、70mm. | |||||||
| 2. Axial calibration on each disc：165°～0°～180°～25° axis graduation line runs counter clockwise along | |||||||
| axis graduation line of lens frame, with interval of graduation line being 5°. | |||||||
| 3. Degree that front lens rotates around optic axis inside lens frame：360° | |||||||
| 4. Range of left or right lens frame leg’s length adjustment：90mm～99mm, length of specification of trial | |||||||
| frame increase 1mm in turn. | |||||||
| Parameter: | |||||||
| Net Weight：About 35g | |||||||
| Volume：27(L)x18.5(w)x5(H)cm(5pcs/box) |
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