Dia14.6xCT1.4mm N-SF57 Coated Optical Double Concave Lens
Specifications:
Items |
Description |
Biconcave Lens |
Material: |
Schott N-SF57 |
Diameter: |
14.6+0.0/-0.1mm |
Center thickness: |
1.4+/-0.1mm |
ROC1: |
163.032mm+/-0.3%,CC |
ROC2: |
9.18414mm+/-0.3%,CC |
Flatness: |
S1&S2:PV<1/4L@632nm |
Surface quality: |
S1&S2:40-20 |
Centerness: |
<2arcmin |
Clear aperture: |
>90% |
Chamfer: |
protected |
Coating: |
S1&S2:AR coating,Rabs<1%@470-970nm,AOI:0deg |
Standard: |
MIL-PRF-13830B |
Features:
. Diverge incident light
. Reduce spherical aberration