- This is a pair of spectacle lens.
- This is a convex lens without special color effect.
- The diameter of the semi-finished product is 70.65mm.
- The base is 50, 150, 250, 400, 500, 600, 700, 800, 900, 1,000.
- The finished diameter is 70.65.60mm.
- The power range is 0.00~+/-6.00 / -6.25~-2.00; 0.00~+/-4.00 / -0.25~-4.00.