| Model: | - |
|---|---|
| Brand: | Opticreate |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument |
| Label: | Optical lens , Bi-Convex Lens , Spherical Lens |
| Price: |
-
|
| Min. Order: | 5 pc |
| Last Online:18 Nov, 2021 |
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 |
|---|---|
