- Parallelism: 1.0 arc minutes or better
- Size: 0.500 +0.0 / -0.012
- Thickness: 0.381 +0.0 / -0.012
- Scratch-Dig: 60/40
- Clear Aperture: 0.400 inch
- Flatness: TWF: 0.5 pwr, 0.4 irreg @ 632.8nm
- Substrate Material: Zinc Selenide
$140.00
$140.00
$140.00
In Stock: 43