Index 1.56 Lens

  • TECHNICAL DATA

1.56 UV380, UV400, UV420 Lens

Specification
Refractive Index(ND)1.5511.553
Abbe Value(VD)3637
Specific Gravity1.281.28
MaterialBrite-4Brite-5
Diameter65,70,72mm
Coating
Color
UV protectionUV-B ,
UV-A
UV-B ,
UV-A >95%

FINISHED 1.56

PLUS 65mm 
SPH+0.25 to +6.00
CYLUp to -2.00
PLUS 65mm EXT 
SPH+0.25 to +8.00
CYLUp to -4.00
MINUS 72mm 
SPH-0.00 to -8.00
CYLUp to -2.00
MINUS 72mm EXT 
SPH-8.25 to -10.00
CYLUp to -4.00

FINISHED 1.56 UV400

PLUS 65mm 
SPH+0.25 to +6.00
CYLUp to -2.00
PLUS 65mm EXT 
SPH+0.25 to +8.00
CYLUp to -4.00
MINUS 72mm 
SPH-0.00 to -8.00
CYLUp to -2.00
MINUS 72mm EXT 
SPH-0.00 to -10.00
CYLUp to -4.00

FINISHED 1.56 PROGRESSIVE

75mm 
SPH-2.00 to +3.00
ADD+1.00 to +3.00
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
Read more