| Specification |
After-sales Service: Technical Support;
Warranty: 3years;
Usage: Optical;
Type: Concave Lens;
Transmittance: 90%-95%;
Shape: Round;
Material: Optical Glass;
Lenses Color: Clear;
Customized: Customized;
Coating: Anti-Reflective (Ar) Coatings;
Diameter Tolerance: 0.0-0.1mm;
Size: Customized Size;
Color: Transparent;
Surface Quality: 60/40;
Customized Support: OEM, ODM, Obm;
MOQ: 1PCS;
Product Name: Biconcave Lens;
Structure: Biconcave Lens;
Application: Optical Equipment;
Diameter: Custom's Requirements;
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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-Concave 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: UV Fused Silica;
Surface Quality: 20-10 Scratch-Dig or Custom Manufacturing;
Surface Flatness: Lambda/8 or Custom Manufacturing;
Effective Focal Length(Efl): From -50mm to -1000mm;
Surface Accuracy, Irregularity: Lambda/8 or Custom Manufacturing;
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Usage: Lighting, Medical, Optical, Photography;
Type: Spherical Lenses;
Transmittance: >95%;
Shape: Single-lens;
Material: Optical Glass;
Lenses Color: Clear;
Customized: Customized;
Coating: HMC;
Min: 1 Unit;
Payment Term: L/C, T/T, D/P, Western Union, Paypal, Money Gram;
Thickness: as Required;
Surface Quality: as Required;
Polished: Yes;
Bevel: Protective Bevel as Needed;
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After-sales Service: Return or Replacement;
Warranty: 2 Years;
Usage: Lighting, Medical, Optical, Photography;
Type: Convex Lens;
Transmittance: >95%;
Shape: Single-lens;
Material: Optical Glass;
Lenses Color: Clear;
Customized: Customized;
Material Type: Al,Cu,Ge,Si,Ni,Znse and Sulfide Glass;
Machining: Aspheric Shape of off-Axis,Diffraction,Paraboloid;
Surface Flatness: < λ/5 @ 633nm;
Scratch/Dig: < 40/20;
Eccentricity: ≤ 1arcmin;
Focal Length Tolerance: < ± 1%;
Diameter Tolerance: < + 0.00/ - 0.02mm;
Thickness Tolerance: ± 0.03mm;
Clear Aperture: ≥ 95% of Diameter;
Diameter Range: 5~260mm;
OEM Services: Yes;
Sample Services: Yes;
Delivery Time: Depens on Qty, Normally 10-30days Production;
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Usage: Lighting, Medical, Optical, Photography;
Type: Achromatic Lenses;
Transmittance: >95%;
Shape: Achromatic Lenses;
Material: Optical Glass;
Lenses Color: Clear;
Customized: Customized;
Coating: YAG-Bbar;
Min: 1 Unit;
Payment Term: L/C, T/T, D/P, Western Union, Paypal, Money Gram;
Thickness: as Required;
Surface Quality: 20-10;
Focal Length Tolerance: +/-1%;
Transmitted Wavefront Error, RMS: Lambda/4 on Central 18mm;
Design Wavelength Dwl (Nm): 632.8, 1064;
Center Thickness Tolerance: +/-0.1;
Centering: <1aremin;
Bevel: Protective Bevel as Needed;
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