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ND-C Mount Neutral Density Filters

Updated:2025-03-13

Brand: OPHIR
Model: ND-C
Description: The individual filters come in three versions, the ND1 filter in the red housing with ~10% transmission in the visible, the ND2 filter in the black housing with ~1% transmission and the ND3 filter in
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Product Details

C-Mount Neutral Density (ND) Filters Description:

User's Manual

Laser Beam Attenuation with Stackable Bulk Absorption Filtration

The individual filters come in three versions, the ND1 filter in the red housing with ~10% transmission in the visible, the ND2 filter in the black housing with ~1% transmission and the ND3 filter in the green housing with ~0.1% transmission. The individual filters can be screwed on top of each other and thus stacked and also can be combined with beam splitters.

The individual filters come in three versions:

P/N:SPZ08234

ND1 stackable filter (red housing)

4mm spacing screw on filter for camera with transmission of between 20% and 5% depending on spectral range Can be stacked and combined with other filters and beam splitters.. One filter is included with Ophir cameras

P/N:SPZ08235

ND2 stackable filter (black housing)

4mm spacing screw on filter for camera with transmission of between 7% and 0.5% depending on spectral range. Can be stacked and combined with other filters and beam splitters. Two filters are included with Ophir cameras Request a Quote

P/N:SPZ08253

ND3 stackable filter (green housing)

4mm spacing screw on filter for camera with transmission of between 2% and 0.05% depending on spectral range. Can be stacked and combined with other filters and beam splitters

C Interface neutral density (ND) filter drawings：

C Interface neutral density (ND) filter specifications:

Recommended Wavelengths	400nm - 2200nm
Nominal ND	1,2,3
Interface	C-mount
Damage Threshold	5W/cm2 , 1J/cm2 for ns pulses
Clear Aperture	?19mm