Showing 26–50 of 1277 results
- Parallelism: 30 arc seconds or better
- Size: 12.5 Ø +0.0 / -0.25
- Thickness: 1.52 ±nom
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 wave per inch or better
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 250-400nm 63.0% ±6.0 , 400-800nm 63.0% ±2.0 , 800-2000nm 63.0% ±6.0
- Parallelism: 30 arc seconds or better
- Size: 12.5 Ø +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 63.1% ±2.0 , 800-2000nm 63.1% ±6.0
- Parallelism: Commercial
- Size: 12.5 Ø +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- Angle of Incidence: 0
- %T (Optical Density): -
- Parallelism: 30 arc seconds or better
- Size: 25.0 Ø +0.0 / -0.25
- Thickness: 1.52 ±nom
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 wave per inch or better
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 250-400nm 63.0% ±6.0 , 400-800nm 63.0% ±2.0 , 800-2000nm 63.0% ±6.0
- Parallelism: 30 arc seconds or better
- Size: 25.0 Ø +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 63.1% ±2.0 , 800-2000nm 63.1% ±6.0
- Parallelism: Commercial
- Size: 25.0 Ø +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- Angle of Incidence: 0
- %T (Optical Density): -
- Parallelism: 30 arc seconds or better
- Size: 50.0 Ø +0.0 / -0.25
- Thickness: 1.52 ±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: 1.52 ±nom
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 wave per inch or better
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 250-400nm 63.0% ±6.0 , 400-800nm 63.0% ±2.0 , 800-2000nm 63.0% ±6.0
- Parallelism: 30 arc seconds or better
- Size: 50.0 Ø +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 250-400nm 63.0% ±6.0 , 400-800nm 63.0% ±2.0 , 800-2000nm 63.0% ±6.0
- Parallelism: 30 arc seconds or better
- Size: 50.0 x 50.0 +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 63.1% ±2.0 , 800-2000nm 63.1% ±6.0
- Parallelism: Commercial
- Size: 50.0 Ø +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 63.1% ±2.0 , 800-2000nm 63.1% ±6.0
- Parallelism: Commercial
- Size: 50.0 x 50.0 +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- Angle of Incidence: 0
- %T (Optical Density): -
- 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): -
- Specifications: 250-400nm 50.0% ±5.0 , 400-800nm 50.0% ±2.0 , 800-2000nm 50.0% ±5.0
- Parallelism: 30 arc seconds or better
- Size: 12.5 Ø +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 50.12% ±2.0 , 800-2000nm 50.12% ±5.0
- Parallelism: Commercial
- Size: 12.5 Ø +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 50.0% ±4.0% from 2.0µ to 14µ
- Parallelism: < 10 arc minutes
- Size: 12.5 Ø +0.0 / -0.2
- Thickness: 1.0 ±0.2
- Scratch-Dig: 80/50
- Clear Aperture: 90% of OD
- Flatness: 1 or better at of Interest
- Substrate: Ge
- %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): -
- Specifications: 250-400nm 50.0% ±5.0 , 400-800nm 50.0% ±2.0 , 800-2000nm 50.0% ±5.0
- Parallelism: 30 arc seconds or better
- Size: 25.0 Ø +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 50.12% ±2.0 , 800-2000nm 50.12% ±5.0
- Parallelism: Commercial
- Size: 25.0 Ø +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- 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): -
- Specifications: 250-400nm 50.0% ±5.0 , 400-800nm 50.0% ±2.0 , 800-2000nm 50.0% ±5.0
- Parallelism: 30 arc seconds or better
- Size: 50.0 Ø +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 250-400nm 50.0% ±5.0 , 400-800nm 50.0% ±2.0 , 800-2000nm 50.0% ±5.0
- Parallelism: 30 arc seconds or better
- Size: 50.0 x 50.0 +0.0 / -0.2
- Thickness: 1.50 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate: Quartz
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 50.12% ±2.0 , 800-2000nm 50.12% ±5.0
- Parallelism: Commercial
- Size: 50.0 Ø +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- Angle of Incidence: 0
- %T (Optical Density): -
- Specifications: 400-800nm 50.12% ±2.0 , 800-2000nm 50.12% ±5.0
- Parallelism: Commercial
- Size: 50.0 x 50.0 +0.0 / -0.2
- Thickness: 1.52 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: Commercial
- Substrate: Green Glass
- 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
$101.00
$85.00
$72.00
In Stock
$59.00
$50.00
$42.00
In Stock
$109.00
$99.00
$83.00
In Stock
$147.00
$123.00
$104.00
In Stock
$86.00
$72.00
$61.00
In Stock
$243.00
$221.00
$185.00
In Stock
$250.00
$228.00
$190.00
In Stock
$254.00
$213.00
$180.00
In Stock
$254.00
$213.00
$180.00
In Stock
$138.00
$116.00
$98.00
In Stock
$138.00
$116.00
$98.00
In Stock
$53.00
$48.00
$40.00
In Stock
$101.00
$85.00
$72.00
In Stock
$59.00
$50.00
$42.00
In Stock
$227.00
$193.00
$170.00
In Stock
$109.00
$99.00
$83.00
In Stock
$147.00
$123.00
$104.00
In Stock
$86.00
$72.00
$61.00
In Stock
$243.00
$221.00
$185.00
In Stock
$250.00
$228.00
$190.00
In Stock
$254.00
$213.00
$180.00
In Stock
$254.00
$213.00
$180.00
In Stock
$138.00
$116.00
$98.00
In Stock
$138.00
$116.00
$98.00
In Stock