1.56 RESIN

1.56 Single Vision (Finished /Semi-finished)

Product Description  
1. Material: NK-55

2. Index: 1.553

3. Abbe Value: 35

4. Transimision: Over 96.5%

5. Specific Gravity: 1.28

Finished lens:

˙1.56 Single Vision Lens

˙1.56 Photochromic gray lens

˙1.56 Photochromic progressive gray lens

˙1.56 Photochromic Round top, Flat top and invisible bifocal Lens

Stock Power Range: 0.00 ~ -8.00/-0.25 ~ -2.00

                                  +0.25 ~ +6.00/-0.25 ~ -2.00

Diameter:72mm/65mm

Semi-finished lens:
Base: 50B, 100B, 200B, 300B, 400B, 600B, 800B, 1000B,1200B

1.56 Round top, Flat top and invisible bifocal Lens

Coating :HC/HMC

Diameter:D28/70MM

Description : Flat –top /Round top /Blended top

Power Range: 0.00~-2.00 Add(+1.00~+3.00)        

                         0.00~+3.00 Add(+1.00~+3.00)

​

1.56 progressive optical lens

Fitting Cross:+4.0mm up from center

Distance Circle:+10.0mm up from center    

Near Area Circle:14.0mm down the center

Long corridor (18mm to full addition power)

Minimum fitting height of 22mm

corridor  17mm +2 mm
popular design 
MS design: short corridor    14mm
                    long corridor     16+2  mm

1.56 photochromic grey lens

1. Stock Power Range: +6.00/-2.00~~-8.00/-2.00

2. S/F base: 50w, 100w, 200w, 300w, 400w, 500w, 600w, 800w, 1000w

3. Diameter: 70mm

4. Available color: Grey, Brown