Optical Trail Lens Frame Glasses Titanium Alloy Universal Adjustable Accessories Optometry Ophthalmologist Test Frame

Features: 

 

1.Ultra-light titanium optometry frame for comfortable wear. 

2.Adjustable range of PD: About 25~40mm/0.98-1.57inch. 

3.Up to 4 lenses can be inserted on each side. 

4.Adjustable temple length / tilt angle, it can meet your different needs. 

5.Applications: This product is suitable for eyewear inspection in optical shops, hospital ophthalmology, schools, factories and mines, etc. 

 

Specification:

 

1.The distance adjustment range: the distance between the eyes is about 48 ~ 80mm/1.89-3.15inch, the left or right distance is about 24 ~ 40mm/0.94-1.57inch, the minimum scale value is 1mm/0.04inch. 

2. Axis scale of the index plate: left indexing plate 120 ° ~ 0 ° ~ 135 °; right indexing plate 45 ° ~ 180 ° ~ 60 °, (axis scale increases counterclockwise along the frame axis, the interval is 5°). 

3. The inner diameter of the frame: Φ32.5mm. 

4. The number of lenses that can be inserted into the left or right frame at the same time: 4 pieces. 

5. The degree of rotation of the lens around the optical axis in the frame: 360°. 

6. The non-parallelism of the optical axis of the lens and the geometric axis of the frame: ≤2.5°. 

7. The difference between the optical center of the lens and the geometric center of the frame: ≤0.5mm. 

8. The displacement of the lens relative to the geometric center position of the frame: ≤0.3mm. 

9. Nose support adjustment range: length: 0 ~ 14mm/0-0.55inch; angle: 0 ° ~ 30 °. 

10.Left or right temple length adjustment range: about 98mm ~ 135mm/3.86-5.31inch. 

11. The maximum spacing of the left and right temples: 200mm/7.87inch. 

 

Package list: 

 

1 X Trial Frame

 

Details pictures: