Substrate Material: |
Crown/Flint Optical Glass |
Wavelength Range: |
400~2000nm |
Outer Diameter: |
25.0,-0.2/+0.0mm(Al6061 ring mounted; outer dimension DIA25.0xThk 10mm, black anodized) |
Center Thickness(Tc): |
6.0mm(doublet lens built-in) |
Edge Thickness(Te): |
5.0mm(double lens built-in) |
Focal Length: |
+100.0mm (image side/positive); <2% tolerance (typ) |
Scratch/Dig: |
40-20 S/D |
Surface Figure: |
<lambda/4 at 633nm over surface |
Clear Aperture: |
17mm (after mounted) |
Centration: |
<3 arc minutes |
Surface Coating: |
Single-layer MgF2, both surfaces coated, optimized at 587.6nm |
Product Origin: |
Spindler & Hoyer |