1.four size:55mm,60mm,65mm,70mm
2.material:CR39 lens
3.round top,flat top are available

Bifocal lens

Semi-Finished lens

Technical data:

1.Material:CR-39

2.Abble Value:58

3.Transmission:Over the 98%

4.Special Gravity:1.32

5.Abrasion Resistance:6/8H

6.Treatment

   -General

    UV protection

   -option

   HEMW(ITO)Coated

specifications of 1.499 Semi-Finished lens single-vision

65mm/70mm,50base-1000base

Specifications of 1.499S/F round top,S/F blended,S/Flat top

28/70mm,200base-800base

specifications of semi-finished progressive lens

75mm,200base-800base

different style with different price in different quality(A degree/B degree)