Model No.︰-
Brand Name︰Opticreate
Country of Origin︰China
Unit Price︰-
Minimum Order︰5 pc
Product Details
The traditional manual method is adopted to process the lager diameter paraboloid and hyperboloid lens with BK7 (ZK N4 or Zerodur) material, use knife-edge instrument for test, with high processing accuracy, and the diameter can be within 900mm.surface accuracy could be less than 1/40 lambda. We are Coaxial Lenses Combination Factory.
Material |
BK7, ZK N4 ,Zerodur ect. |
Diameter tolerance |
+0.0/-0.15mm |
Diameter |
≤900mm |
Aspherical surface |
Paraboloid, Hyperboloid |
Focal length tolerance |
±2% |
Clear aperture |
≥90% |
RMS Irregularity |
1/40λ |
Surface Quality |
60-40 |
Bevel |
0.25 mm × 45° |
Coating |
Metal reflection coating/Dielectric reflection coating |
Payment Terms︰ T/T