Trial Frame-TR-I

Trial Frame-TR-I

Description

Overview:
This product is suitable for visual inspection in eyewear shops, hospital ophthalmology, schools, factories and mining enterprises, etc.

Detailed product description:
1. Single eye movement range: 25mm~40mm; PD, both eye height and ear height can be adjusted;
2. The range of pupil distance adjustment: the distance between the eyes is 48-80mm, the distance between the left or right pupils is 24-40mm, and the minimum scale value is 1mm;
3. Graduation dial axis scale: Left graduation dial 120 °~0 °~135 °; Right dial 45 °~180 °~60 °; The axis scale increases counterclockwise along the axis of the mirror frame, with a scratch interval of 5 °;

4. Mirror frame inner aperture: Φ 32.5mm;
5. Number of lenses that can be inserted into the left or right frame simultaneously: 4;
6. The degree of rotation of the lens around the optical axis within the frame: 360 °;
7. Non parallelism between the optical axis of the lens and the geometric axis of the frame: ≤ 2.5 °;
8. The difference in centrality between the optical center of the lens and the geometric center of the frame: ≤ 0.5mm;
9. The displacement of the lens relative to the geometric center position of the frame: ≤ 0.3mm;
10. Nasal support adjustment range: length: 0-14mm; Angle: 0 °~30 °;
11. Left or right mirror foot length adjustment range: 98mm~135mm;
12. Maximum distance between left and right mirror feet: 200mm;

Parameters:
Weight: 0.1kg
Inner box size: 19 (L) x 10 (W) x 5.5 (H) cm