Feature●1. PD52mm, 54mm, 56mm, 58mm, 60mm, 62mm, 64mm, 66mm, 68mm, 70mm are optional;●2. Index plate axis scale: 165 degrees to 0 degrees, 180 degrees to 25 degrees, axis scale is counterclockwise distributed along the frame axis and has 5 degrees●3. Lens rotation angle around the optical axis in frame: 360 degrees;●4. Length adjustment range: 3.5 - 3.9 inches (90 - 99 mm), small to large 0.04 inch (1 mm) increments●5. Net Weight: 0.4KGDescription
This product is suitable for optical inspection in eyeglass shops, hospitals, optics, schools, factories, mines, businesses, etc.