- Operating Temperature: +200 max.
- Parallelism: 3 arc minutes or better
- Transmission: 90% average from 425 to 675nm
- Blocking: N/A
- Size: 12.5 Ø +0 / -0.5
- Thickness: 3.0 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 47.5mm Ø min
- Flatness: 5 -10 per inch
- Angle of Incidence: 0
$60.00
$52.00
$46.00
In Stock