1.56 PHOTOCHROMIC

  • TECHNICAL DATA

1.56 PHOTOCHROMIC

General Information

  • MATERIAL: SR-56
  • LENS TYPE: Spheric
  • COATING: HC,HCT,HMC,SHMC
  • COLOR: Clear
  • DIAMETER: 65mm,70mm,75mm,80mm
  • AVAILABLE BASES: Plano~10.00
  • REFRACTION INDEX: 1.56
  • ABBE VALUE: 41
Data of Semi-Finished Lesn
Diameter
(mm)
NominalTRUE BASE
(Nd=1.530)
Radius
(mm)
SAG AT 50
(mm)
THICKNESS
(mm)
FRONTFRONTBACKFRONTBACKFRONTBACKCENTEREDGE
80mmPlano0.005.7026500.0092.980.013.426.8015.50
80mm2001.985.70267.6892.981.173.429.5015.50
80mm4004.005.70132.5092.982.383.426.809.50
80mm6006.025.7088.0492.983.623.427.507.00
80mm8008.055.7065.8492.984.933.4211.507.00

Production Process 

Test Report

1. Drop Ball Testing
2. Abrasion Resistance Test
3. Light Transmittance Test
4. Reflected light test
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