1.Color: Gray, Brown 2.Long Corridor: 14/70mm 3.Short Corridor: 12/70mm 4.Base: 2.00,4.00,6.00,8.00 5.Change color quick

Specification

Specifications:

1) Refraction index: 1.56

2) Grey and brown colors available

3) Can be used equally well throughout the year in all climates

4) High original transmission, high rate of darkening in the sun

5) Multi-coated, EMI, UV protection

6) Semi-finished or finished available

Outer packing:30 boxes/ctn Dimensions: 55 x 53 x 33cm

New ingredient for England photo material, color changes quickly, and every batch color is stable and same! This is with company guarantee.

100% blockage of harmful UV rays.

Optical devices that has the property to darken itself in the presence of ultraviolet rays

It provides solar protection in exteriors, returing to have a lower level of absorption in the interiors.

Can be used equally well throughout the year, in all climates and for many different activiies.

Korean technology

Korean raw metarial with UV 400. color changes very quickly, 

Under the sunshine, 2~3 seconds for changing. It will take about 2 minutes for the lens to return color back.

Dark color can reach to 75%.

Can be used equally well throughout the year, in all climates and for many different activities

High original transmittance,high rate of darkening in the sun

High scratch resistance,super-hard protection coating available

1.56 S/F PHOTOCHROMIC PROGRESSSIVE
material refractive index=1.558
DIA. (mm)	NOMINAL CURVE	TRUE CURVE	RADIUS (mm)		BACK CURVE	C.T (mm)	E.T  (mm)	SAG    (40mm)	MRP DEC.	SEG INSET	FITTING CROSS ABOVE MRP	ADD POWER	RX RANGE	SAG    (50mm)
70-14/12mm	2.00	2.84	184.23		4.00	8	10	1.08	2.5	2.5	2.0	1.00~3.00	-3.25D/-8.00D	1.7
70-14/12mm	4.00	4.13	126.62		4.00	6	7	1.57	2.5	2.5	2.0	1.00~3.00	+3.00D/-3.00D	2.47
70-14/12mm	6.00	6.25	83.72		6.00	7.5	7	2.38	2.5	2.5	2.0	1.00~3.00	+3.25D/+5.00D	3.73
70-14/12mm	8.00	7.61	68.68		6.00	8	6	2.91	2.5

RX 1.56 photochromic progressive lens