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Glass Lens
Mineral Bifocal Lens

PG,PB FT SF data:                 

Material specifications:                 

Index=1.523                    

Abbe=56                    

Desity=24                  

Light transmitting(at original color=90%                    

Light transmitting(after color changed=30%                  

                    

Quality Specifications:                  

Diameter:65mm,                    

Segment:28mm±2mm                 

Power tolerance:+12o                  

Surface Standard:40/20                   

                    

Lens Specifications:

65/28mm

Convex

Concave

ET(mm)

CT(mm)

Curvature

Radius(mm)

Curvature

Radius(mm)

200BASE

2.00

261.50

5.98

87.40

6(-0.50)

10.35(-0.50)

400BASE

4.004

130.60

5.98

87.40

6(-0.50)

8.18(-0.50)

600BASE

5.960

87.75

5.98

87.40

6(-0.50)

6(-0.50)

800BASE

8.00

65.375

5.98

87.40

6(-0.50)

3.6(-0.50)

Index = 1.523


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