Index 1.74 lens

  • TECHNICAL DATA

Index 1.74 lenses

Specification
Refractive Index(ND)1.733
Abbe Value(VD)32
Specific Gravity1.47
Material174
Diameter70,75mm
Coating
Color
UV protectionUV400, UV420
MINUS 75mm 
SPHPlano to -12.00
CYLUp to -2.00
MINUS 75mm EXT 
SPHPlano to -10.00
CYL2.25 to -4.00
Remark:RX Lens power range including but not limited to the above range.
Learn more information about RX lens of Yuzhou Optics.

Production Process 

Test Report

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