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 1.8 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)
CR-39 1.8 lens&bifocal lens&semi-finished lens
