New Optical Trial Frame
This product is suitable for eyesight inspection in spectacles shops, hospitals, ophthalmology, schools, factories and mines, enterprises, etc.
Detailed product description:
1. PD from 52mm to 70mm is optional.
2. The axis scale of the indexing plate: 165 degrees to 0 degrees to 180 degrees to 25 degrees, the axial scale is distributed counterclockwise along the axis of the frame, its ruling interval is 5 degrees;
3. The degree of rotation of the lens around the optical axis in the frame: 360 degrees;
4. left or right mirror foot length adjustment range: 90mm ~ 99mm, each specification from small to large increased 1mm.
5. Net weight: 0.4KG