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Neutral Density Filter, 0.4 Optical Density, 1.0 in. Diameter

three new focus glass neutral density filters

Neutral Density Filter, 0.4 Optical Density, 1.0 in. Diameter

Model: 5234NF

$46

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Product Series Overview

Schott Borofloat Glass Metallic ND Filters

The 5234NF Neutral Density Filter is made with an Inconel® metallic coating on a glass substrates. This 1.0 inch (25.4 mm) diameter ND filter provides 0.4 OD spectrally uniform attenuation over the wavelength range from 400 to 2000 nm. The reflective nature of the coating helps reduce thermal effects when this filters are used with moderate power lasers.

Specifications

Technical Specs

Size

Ø25.4 mm
Wavelength Range

400-2000 nm
Optical Density

0.4
Transmission

40%
Transmission Tolerance

+6/-5%
Material

Schott Borofloat Glass

Thickness

1.1 mm
Surface Flatness

1 λ @ 633 nm
Surface Quality

40-20 scratch-dig
Clear Aperture

21.5 mm
Parallelism

0.5 mrad

Size

Ø25.4 mm
Wavelength Range

400-2000 nm
Optical Density

0.4
Transmission

40%
Transmission Tolerance

+6/-5%
Material

Schott Borofloat Glass

Thickness

1.1 mm
Surface Flatness

1 λ @ 633 nm
Surface Quality

40-20 scratch-dig
Clear Aperture

21.5 mm
Parallelism

0.5 mrad

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Product Comparison

Neutral Density Filter, 0.4 Optical Density, 1.0 in. Diameter

Model: 5234NF

Product Series Overview

Specifications

Technical Specs

Resources & Downloads

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