Neutral Density Filters

Standard Neutral Density Filters in stock, subject to prior sales
If you don’t find a suitable filter for your application in the list below, please, contact Spectrogon’s sales team for further assistance. Go to request form!

General SpecificationsNeutral Density Filters
Diameter: 25.4 mm +0/-0.2 mm. Custom sizing
Thickness: Specified in the filter list below (mm), tol ±0.2 mm

IR ND filters are designed for 2000-16000 nm
ND UV-VIS filters are designed for 190-2500 nm
VIS ND filters are designed for 400-800 nm

Spectral measurements
Spectral curve at room temperature and normal incidence angle is supplied with each filter type.

Click on the Description, to see spectral characteristics for the filters in stock.


ND-IR filter set, consisting of 6 types Ø25.4×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
Qty: 1-4 sets  Price: EUR 1850,00/set

ND-IR filter set, consisting of 6 types Ø50.8×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
Qty: 1-4 sets Price: EUR 4499,00/set

ND-UV-VIS filter set, consisting of 6 types Ø25.4×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
Qty: 1-4 sets Price: EUR 816,00/set

For spectral characteristics on each density, click on the individual filter (red) in the list above.

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