Small, multi adjustable spectacles, reinforced , visible light
transmission: approx. 60% ,color: light gray
900-1050 DIRM LB6 LV CE (OD6+)
>1050-1400 D LB7 IR LB8 M LB9 LV CE (OD9+)
>1400-<9000 D LB5 I LB4 R LB2 LV CE (OD5+)
>9000-11500 D LB5 I LB4 R LB2 LV CE (OD10+)