Young Optics produces various types and special material spherical optical lenses, which are primarily used in projectors, smart home lenses, changeable lenses, as well as for uses in vehicles, medical equipment and machine vision. The company is able to processes lenses in the Φ3 ~ Φ220mm range, and has plants in China, Japan and Bangladesh, which will be appropriately designated for manufacture depending on the competitiveness required of the product, and to meet the client’s various demands, including lens specifications and market characteristics.

Glass Grinding Lens
Glass Grinding Lens
Glass Grinding Lens

What We Achieved :

Lens size Φ5~Φ10
Technical Specifications High Precision Precision Normal
Center Thickness [mm] ± 0.015 ± 0.03 ± 0.05
Newton (AS)
0.5 > T/D > 0.05
-3 (0.5) 3 (1) 5 (1)
Scratch Dig
(ISO 10110-7: 2017)
20/10 40/20 60/40
Diameter [mm] ± 0.005 ± 0.0075 ± 0.01
Sag [mm] ± 0.005 ± 0.01 ± 0.015
Penetration eccentricity-Biconvex Lens 30"
Penetration eccentricity-Biconcave Lens 30"
Penetration eccentricity- Meniscus Lens 40"
Reflection eccentricity-Biconvex Lens 45"
Reflection eccentricity-Biconcave Lens 45"
Reflection eccentricity-Meniscus Lens 60"
Coating AR Coating (1)
AR Coating (2)
AR Coating (3)
Visible - IR
AR Coating (4)
IR wavelength
AR Coating (5)
IR Wavelength
Lens size Φ11~Φ25
Technical Specifications High Precision Precision Normal
Center Thickness [mm] ± 0.02 ± 0.03 ± 0.05
Newton (AS)
0.5 > T/D > 0.05
-3 (0.5) 3 (1) 5 (1)
Scratch Dig
(ISO 10110-7: 2017)
40/20 60/40 80/50
Diameter [mm] ± 0.005 ± 0.075 ± 0.01
Sag [mm] ± 0.005 ± 0.01 ± 0.015
Penetration eccentricity-Biconvex Lens 40"
Penetration eccentricity-Biconcave Lens 40"
Penetration eccentricity- Meniscus Lens 50"
Reflection eccentricity-Biconvex Lens 60"
Reflection eccentricity-Biconcave Lens 60"
Reflection eccentricity-Meniscus Lens 90"
Coating Rabs < 0.5% @ 43+B14: G180~670 nm
Ravg < 0.3% @ 430~670 nm
Rabs < 0.3% @ 450~650 nm
Ravg < 0.2% @ 450~650 nm
Rabs < 1.5% @ 450~850 nm
Ravg < 0.8% @ 450~850 nm
Rabs < 2.0% @ 800~900 nm
Rabs < 2.5% @ 900~1,000 nm
Rabs < 0.7% @ 700~1050 nm
Lens size Φ25~Φ60
Technical Specifications High Precision Precision Normal
Center Thickness [mm] ± 0.02 ± 0.03 ± 0.05
Newton (AS)
0.5 > T/D > 0.05
3 (0.5) 4 (1) 5 (1)
Scratch Dig
(ISO 10110-7: 2017)
40/20 60/40 80/50
Diameter [mm] ± 0.0075 ± 0.01 ± 0.015
Sag [mm] ± 0.01 ± 0.015 ± 0.02
Penetration eccentricity-Biconvex Lens 60"
Penetration eccentricity-Biconcave Lens 60"
Penetration eccentricity- Meniscus Lens 60"
Reflection eccentricity-Biconvex Lens 90"
Reflection eccentricity-Biconcave Lens 90"
Reflection eccentricity-Meniscus Lens 120"
Coating AR Coating (6)
AR Coating (7)
AR Coating (8)
AR Coating (9)
AR Coating (10)
Visible -IR
Lens size Φ60~Φ100
Technical Specifications High Precision Precision Normal
Center Thickness [mm] ± 0.03 ± 0.05 ± 0.1
Newton (AS)
0.5 > T/D > 0.05
3 (1) 5 (1) 5 (2)
Scratch Dig
(ISO 10110-7: 2017)
40/20 60/40 80/50
Diameter [mm] ± 0.01 ± 0.015 ± 0.02
Sag [mm] ± 0.01 ± 0.015 ± 0.02
Penetration eccentricity-Biconvex Lens 60"
Penetration eccentricity-Biconcave Lens 60"
Penetration eccentricity- Meniscus Lens 60"
Reflection eccentricity-Biconvex Lens 90"
Reflection eccentricity-Biconcave Lens 90"
Reflection eccentricity-Meniscus Lens 120"
Coating Rabs < 0.5% @ 430~670 nm
Ravg < 0.3% @ 430~670 nm
Rabs < 0.3% @ 450~650 nm
Ravg < 0.2% @ 450~650 nm
Rabs < 1.5% @ 450~850 nm
Ravg < 0.8% @ 450~850 nm
Rabs < 2.0% @ 800~900 nm
Rabs < 2.5% @ 900~1,000 nm
Rabs < 0.7% @ 700~1050 nm
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