| Specification |
Type: Convex Lens;
Material: Aluminium Alloy;
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After-sales Service: 3r Policy-Return, Replace, Refund;
Warranty: 12months;
Usage: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc;
Type: Bi-Convex Lenses;
Transmittance: Central 90% of Diameter;
Shape: Single-lens;
Material: Optical Glass;
Lenses Color: Clear;
Customized: Customized;
Coating: Ar.14, Ar.16, Ar.18, Ar.33 Coated;
Substrate: N-Bk7 Optical Glass or Equivalent N-Bk7;
Surface Quality: 40-20 Scratch-Dig or Custom Manufacturing;
Surface Flatness: Lambda/4 or Custom Manufacturing;
Effective Focal Length(Efl): From +6.4mm to +1000mm;
Surface Accuracy, Irregularity: Lambda/4 or Custom Manufacturing;
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After-sales Service: One Year;
Warranty: One Year;
Usage: Lighting, Medical, Optical, Photography;
Type: Concave Lens;
Transmittance: >95%;
Shape: Laminated Lenses;
Material: Optical Glass;
Lenses Color: Clear;
Customized: Customized;
Coating: HMC;
Chamfer: 0.2mmx45 °;
Surface Smoothness: 3-4 Levels;
Focal Length Error: ± 1%;
Diameter Error: +0.0/-0.1mm;
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After-sales Service: 3r Policy-Return, Replace, Refund;
Warranty: 12 Months;
Usage: Laser, Astronomy, Imaging, Detection, etc;
Surface Flatness: λ/4;
Surface Accuracy, Irregularity: λ/8;
Surface Accuracy, Power: 1.5 λ;
Centration: ≤3 Arc Min;
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After-sales Service: 3r Quality Warranty-Return, Replacement, Refund;
Warranty: 12months;
Usage: Lighting, Medical, Optical, Photography, Astronomy, Laser, Communication;
Type: Zinc Selenide;
Transmittance: 10% Transmission Limits(T=6mm):0.5-22um;
Shape: Single-lens;
Material: Zinc Selenide;
Lenses Color: Yellow-Red;
Customized: Customized;
Coating: Coating/Uncoating/Polishing;
Substrate: Zinc Selenide;
10% Transmission Limits (T=6mm): 0.5-22um;
Index of Refraction Inhomogeneity (DN/N): Less Than 3ppm @633nm;
Coefficient of Thermal Expansion: [K-1] @273K 7.1 X 10(-6);
Thermal Conductivity: 18;
Heat Capacity: 0.339;
Chemical Purity [%]: 99.9996;
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