ND4

$16.50

SKU: W4022

> 5 available

ND4
Expected to ship within 2 business days

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ND4

Spectral Curves

Transmission Data

Download Optical Density CSV Data

The spectral curve and ascii data is a typical representation of this filter's performance, but may vary due to production and design variations. Omega only guarantees this part to meet the product specifications listed.

Detailed Specifications

Physical Thickness
5.00
Physical Diameter
20.00
Diameter Tolerance (mm)
+0/-0.2
Thickness Tolerance (mm)
+0/-0.2
Clear Aperture Diameter (mm)
≥16
Mounting (Outer Ø - Thickness - Clear Aperture in mm)
M03-S 20-5.0-16
Transmitted Wavefront Distortion
ns
Minimum Surface Quality
Assembly per MIL-C-48497A (F scratch/ F Dig)
Mounting Type
Ring Mounted
Coating Type
Surface Coating
Shape
Round
Filter Type
Neutral Density
Filter Application
Neutral Density
Fluorescence Component
Neutral Density
Neutrality
± 5% of density at 850nm, 700nm - 1000nm
Flatness
ns
Parallelism
ns
Attenuation
OD4.0 ± 0.1 at 850nm