TF-B Trial frame, 72g, PC material
$
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| Product Abstract: | |||||||
| It is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, | |||||||
| schools and enterprises. | |||||||
| Detailed Product Description: | |||||||
| ■ PD adjustable range (10 specification): | |||||||
| 52mm、54mm、56mm、58mm、60mm、62mm、64mm、66mm、68mm、70mm. | |||||||
| ■ 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°. | |||||||
| ■ Degree that front lens rotates around optic axis inside lens frame:360° | |||||||
| Parameter: | |||||||
| ■ Weight:0.1kg | |||||||
| ■ Volume: 27(L) x 18.5(w) x 5(H)cm (5pcs/box) |














