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Metallic ND Filter, Optical Crown Glass, 25.4 mm, 0.2 OD at 632.8 nm

Metallic ND Filter, Optical Crown Glass, 25.4 mm, 0.2 OD at 632.8 nm
Metallic ND Filter, Optical Crown Glass, 25.4 mm, 0.2 OD at 632.8 nm
Metallic ND Filter, Optical Crown Glass, 25.4 mm, 0.2 OD at 632.8 nm
Metallic ND Filter, Optical Crown Glass, 25.4 mm, 0.2 OD at 632.8 nm
Metallic ND Filter, Optical Crown Glass, 25.4 mm, 0.2 OD at 632.8 nm
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  • Product Code: FBR-ND02
$38.00
Ex Tax: $38.00

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The FBR-ND02 Metallic Neutral Density Filter is a 25.4 mm diameter Optical Crown Glass Metallic ND Filter with an optical density of 0.2 at 632.8 nm. Our metallic neutral density coatings provide broadband attenuation for low power applications. The coating is deposited on one side of a cost effective B 270 optical glass substrate, providing excellent performance in the visible and near-infrared.

feature
Angle of Incidence 0°
Chamfers 0.25–0.76 mm face width
Chamfers Angle Tolerance 45° ±15°
Cleaning See How to Clean Optics
Clear Aperture ≥central 80% of dimensions
Damage Threshold 30 W/cm2 CW, typical; not recommended for pulsed laser use
Durability MIL-C-48497A, adhesion, humidity, moderate abrasion, and solubility requirements
Material B270 Optical Crown Glass
Optical Density 0.2
Optical Density Tolerance ±7%
Size Ø25.4 mm
Size Tolerance +0/-0.50 mm
Surface Flatness ≤5λ at 632.8 nm over the clear aperture
Surface Quality 60-40 scratch-dig
Thickness 3.0 mm
Thickness Tolerance ±0.25 mm
Transmission 63.1 % at 632.8 nm
Wavelength Range 400-2000 nm
Wedge ≤5 arc min

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Tags: Metallic ND Filter , Optical Crown Glass , 25.4 mm , 0.2 OD at 632.8 nm , FBR-ND02 , Optical Crown Glass Metallic ND Filters