- Parallelism: 0.5 arc minutes or better
- Size: 0.500 +0.0 / -0.015
- Thickness: 0.381 +0.0 / -0.012
- Scratch-Dig: 40/20
- Clear Aperture: 0.400 inch
- Flatness: TWF: 0.6 pwr, 0.25 irreg @ 632.8nm
- Substrate Material: N/A
$282.00
$282.00
$282.00
In Stock: 47