It is suitable for eyesight examination in spectacles shops. Department of ophthalmology in hospitals,schools and enterprises.
Features:
Adjustable range of each lens frame :25mm-40mm;PD, Height of eyes and eras are ajustable
Main Technical indexes
Range of PD adjustments: PD of both eyes : 48~80mm; Left or right PD: 24-40mm Minimum Calibration Value:1mm
Axial calibration on each disc: Left disc :120°~0°~135°, Right disc : 45°~180°~60°, Axial calibration increases counter clockwise along the lens frame axis ,and the calibration distance is 5°

Inner diameter of lens frame Φ32.5mm
The Number of lens which can be inserted into left or right lens frame simultaneously 4 pieces
Degree of lens rotaing around optical axis in the lens frame 360°
Non-parallelism degree between lens' optical axis and lens frame's geometric center ≤2.5°
Non-concerntricity between lens' optical center and lens frame geometric center ≤0.5mm
Displacement of lens in relation to position of lens frame geometric center ≤0.3mm
Range of nose pad adjustment Length: 0-14mm; Angle :0~30°
Range of left or right lens frame leg's length adjustment 90~135mm
Maximum interval between left and right lens frame legs 200mm
weight 72g

Specifications:
1.Range of PD adjustments:
PD of both eyes: 48 ~ 80mm
left or right PD: 24 ~ 40mm
Minimum graduated value: 1mm
2.Dividing disc axial graduation:
Left dividing disc: 1350 ~ 00 ~ 1400°
Right dividing disc: 400 ~ 1800 ~ 450°
Axial graduation increases along the lens frame axis counter clockwise,and the graduated distance is 50.
3.Inner diameter of lens frame: F32.5mm
4.Number of lens which can be inserted into left or right lens
frame simultaneously: 5 pieces
5. Degree of lens rotating around optical axis in the lens frame:3600
6. Nonparallelism between lens´ optical axis and lens frame´s
geometric axis: ≤2.50
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 rest adjustment: vertical adjustment range: 0 ~18mm
Lateral angle range: 00 ~ 3600
10. Range of left or right lens frame leg´s length adjustment: 110 ~ 135mm
11. Maximum interval between left and right lens frame legs: 200mm
12. Weight:70g

This is a titanium trail frame, exquisite and light. PD meter adjustable ,45-70 MM

Detailed Product Description:
1，Full adjustable, made of titanium material.
2，Degree that front lens rotates around optic axis inside lens frame：360°.
3，Binocular PD: 48-80mm, 1mm step.
4，Monocular PD: 24-40mm, 1mm step.
5，Temple adjustment: 98-135mm.
Parameter:
Weight：72g
Volume：27(L)x18.5(w)x5(H)cm

Features:

It is suitable for eyesight examination in spectacles shops, department
of ophthalmology in hospitals, schools and enterprises.
Detailed Product Description:
1，Full adjustable, made of PC material.
2，Degree that front lens rotates around optic axis inside lens frame：360°.
3，Binocular PD: 48-80mm, 1mm step.
4，Monocular PD: 24-40mm, 1mm step.
5，Temple adjustment: 98-135mm.
Parameter:
Weight：72g
Volume：27(L)x18.5(w)x5(H)cm