Features:
1
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Ultra-light optometry frame for comfortable wear.
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Adjustable range of PD: About 25~40mm/0.98-1.57inch.
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Up to 4 lenses can be inserted on each side.
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Adjustable temple length / tilt angle, it can meet your different needs.
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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
