- Description: Standard UV ND Filter, OD=0.04, 50mm x 50mm
- Specifications: 91% ±3.0% from 250-2000nm , Un-coated Fused Silica
- Alternate Part Number: NA
- NSN: N/A
- Wavelength: Quartz ND ±na
- Emission Line: N/A
- Operating Temperature: 23.0
- Parallelism: 30 arc seconds or better
- Bandwidth (FWHM): 0.04 OD ±na nm
- Transmission: 91%
- Minimum Transmission: 91%
- Blocking: 0.04 OD
- Blocking Range: N/A
- Reflection: N/A
- 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
- Effective Refractive Index: N/A
- Filter Type: --
- Substrate: N/A
- Substrate Material: N/A
- Gas: N/A
- Wavelength Range: N/A
- Transmitted Wavefront: N/A
- A/R Coatings: N/A
- Nominal 50% point(s): N/A
- Angle of Incidence: 0
- 50% Cut-on Wavelength: Quartz ND
- Transmission Range: N/A
- 5% Wavelength: N/A
- Type: N/A
- Set Components: N/A
- Packaging: N/A
- Certification: N/A
$254.00
$213.00
$180.00
In Stock