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All Products / Optics / Optical Filters / Neutral Density (ND) Filters / Precision Anti-Reflection (AR) Coated Absorptive Neutral Density (ND) Filters
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0.6 OD, 25mm Dia., Precision Anti-Reflection (AR) Coated Absorptive ND Filter

Precision Absorptive Neutral Density (ND) Filters

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Stock #16-057 In Stock
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C$140.00
Qty 1-10
C$140.00
Qty 11+
C$126.00
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Diameter (mm):
25.00
Optical Density OD (Average):
0.6 ±10% @ 550nm
Glass/Filter Number:
SCHOTT NG5
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
ND Filter Glass
Coating:
BBAR (450-700nm)
Index of Refraction nd:
1.50
Surface Quality:
80-50
Transformation Temperature (°C):
474
Thickness (mm):
2.54 (nominal)
Transmission (%):
25.12
Type:
Neutral Density Filter
Blocking Wavelength Range (nm):
400 - 700
Clear Aperture (%):
90
Transmitted Wavefront, P-V:
λ/4
Parallelism (arcsec):
<30
Coating Specification:
Ravg ≤1.0% @ 450 - 700nm @ 0°

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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REACH 241:
Compliant
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Product Family Description

Precision Anti-Reflection (AR) Coated Absorptive Neutral Density (ND) Filters feature SCHOTT NG Colored Glass substrates that are polished to achieve a transmitted wavefront distortion (TWFD) specification of λ/4. These filters are coated on both surfaces with an anti-reflection (AR) coating from 450 - 700nm, reducing back reflections and enabling filter stacking with less losses and artifacts. Precision Anti-Reflection (AR) Coated Absorptive Neutral Density (ND) Filters are available with optical densities from 0.1 to 4.0 and can be stacked together to achieve custom optical densities to meet application requirements. These neutral density filters are available in 25mm diameter or 50mm square sizes and are ideal for machine vision, imaging, or low power laser applications.