Showing all 4 results
- Parallelism: 30 arc seconds or better
- Size: 12.5 Ø +0.0 / -0.25
- Thickness: 2.84 ±nom
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 wave per inch or better
- Angle of Incidence: 0
- %T (Optical Density): -
- Parallelism: 30 arc seconds or better
- Size: 25.0 Ø +0.0 / -0.25
- Thickness: 2.84 ±nom
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 wave per inch or better
- Angle of Incidence: 0
- %T (Optical Density): -
- Parallelism: 30 arc seconds or better
- Size: 50.0 Ø +0.0 / -0.25
- Thickness: 2.84 ±nom
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 wave per inch or better
- Angle of Incidence: 0
- %T (Optical Density): -
- Parallelism: 30 arc seconds or better
- Size: 50.0 x 50.0 +0.0 / -0.25
- Thickness: 2.84 ±nom
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 wave per inch or better
- Angle of Incidence: 0
- %T (Optical Density): -
PART NO.
DESCRIPTION
1 - 5 pcs.
6 - 10 pcs.
> 10 pcs.
Stock Status
$53.00
$48.00
$40.00
In Stock
$109.00
$99.00
$83.00
In Stock
$243.00
$221.00
$185.00
In Stock
$250.00
$228.00
$190.00
In Stock