Listing Description Trial frame Oculus Type
1. PD of both eyes: 48 ~ 80mm
2. Left or right PD: 24 ~ 40mm
3. Minimum graduated value: 1mm4
4. CE, FDA
Detailed Description Trial frame

Usages

It is suitable for spectacles shops, department of ophthalmology in hospitals,
Shools and enterprises to measure eyesight.

Main Technical Indexes

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 frames
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 legs length adjustment: 110 ~ 135mm
11. Maximum interval between left and right lens frame legs: 200mm
12. Weight: 70g