Index 1.61 lens

  • TECHNICAL DATA

1.61 index lenses

Specification
Refractive Index(ND)1.61
Abbe Value(VD)41
Specific Gravity1.3
MaterialMR-8
Diameter65,70,75mm
Coating
Color
UV protectionUV400, UV420

FINISHED 1.61

PLUS 65mm 
SPH+0.25 to +6.00
CYLUp to -2.00
MINUS 75mm 
SPH-0.00 to -6.00
CYLUp to -2.00
MINUS 70mm EXT 
SPH-6.25 to -10.00
CYLUp to -2.00
MINUS 75mm EXT 
SPH-0.00 to -6.00
CYL-2.25 to -4.00

FINISHED 1.61 ASP

PLUS 65mm 
SPH+0.25 to +6.00
CYLUp to -2.00
MINUS 75mm 
SPH-0.00 to -6.00
CYLUp to -2.00
MINUS 70mm EXT 
SPH-6.25 to -10.00
CYLUp to -2.00
MINUS 75mm EXT 
SPH-0.00 to -6.00
CYL-2.25 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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