50.4X10.5X1.2mm N-BK7 AR Coated Optical Plano Concave Lens
Specifications:
Items |
Description |
BK7 Lens |
Material: |
Schott N-BK7 |
Dimensions: |
50.4x10.5+/-0.1mm |
Center thickness: |
1.2+/-0.1mm |
Edge thickness: |
2.3+/-0.1mm |
R1: |
260mm+/-2% CC |
R2: |
infinity |
Flatness: |
3/-(5),S1;3/6(3),S2 |
Surface quality: |
S1&S2: 5/2x0.063 per CA;5/2x0.25 outside test area |
Centerness: |
<3arcmin |
Clear aperture: |
>5.0x30.0mm |
Chamfer: |
4x0.3x0.3+0.2/-0.0mmx45deg,Corner bevel |
|
all other edges:0.3+0.3mmx45deg |
Coating: |
AR coating,Ravg<0.5%@450-700nm,AOI:0-20deg,S1&S2 |
Standard: |
ISO 10110 |