It is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises.
Detailed Product Description:
1. PD adjustable range (10 specification): 52mm,54mm,56mm,58mm,60mm,
ONE SET IS 5 PCS, PRICE FOR ONE SET
Please inform us size of PD, otherwise, we will send the 58mm,60mm, 62mm,64mm,66mm, the most useful size.
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.
5. Adjustment handle: Vertical Temple : adjustable