Neutral Density Absorption Type Filters

Neutral Density Absorption Type Filters

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Material Neutral density glass
Diameter tolerance +0/-0.2 mm
Clear Aperture 90%
Surface Quality 60/40 S/D
Surface Flatness <λ @ 632.8 nm
Parallelism error <3 arcmin
Protective chamfers <0,25 mm x 45 deg
Designed for VIS range (400-700 mm)
Uncoated, Unmounted
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Attention! You can customise this product to your needs.
Neutral density laser radiation filters with custom transmittance, dimensions and shape. Neutral density absorption type filters decrease intensity of light without altering the relative spectral distribution of the energy. Attenuation is accomplished by using an absorbing type glass.

Download Absorptive neutral density filters transmission curves
varna Neutral Density filter is an economical solution to attenuate light

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Optical density Average transmission in VIS Substrate size, mm Delivery Product ID Price Action
0.1 80% Ø12.7 1-3 days 1-NF-01-0127 28 €
0.1 80% Ø25.4 1-3 days 1-NF-01-0254 32 €
0.1 80% 50.8 x 50.8 1-3 days 1-NF-01-5050 44 €
0.2 60% Ø12.7 2-4 weeks 1-NF-02-0127 28 €
0.2 60% Ø25.4 1-3 days 1-NF-02-0254 32 €
0.2 60% 50.8 x 50.8 1-3 days 1-NF-02-5050 44 €
0.3 50% Ø12.7 1-3 days 1-NF-03-0127 28 €
0.3 50% Ø25.4 1-3 days 1-NF-03-0254 32 €
0.3 50% 50.8 x 50.8 1-3 days 1-NF-03-5050 44 €
0.4 40% Ø12.7 2-4 weeks 1-NF-04-0127 28 €
0.4 40% Ø25.4 2-4 weeks 1-NF-04-0254 32 €
0.4 40% 50.8 x 50.8 1-3 days 1-NF-04-5050 44 €
0.5 30% Ø12.7 2-4 weeks 1-NF-05-0127 28 €
0.5 30% Ø25.4 1-3 days 1-NF-05-0254 32 €
0.5 30% 50.8 x 50.8 2-4 weeks 1-NF-05-5050 44 €
0.8 15% Ø12.7 1-3 days 1-NF-08-0127 28 €
0.8 15% Ø25.4 1-3 days 1-NF-08-0254 32 €
0.8 15% 50.8 x 50.8 1-3 days 1-NF-08-5050 44 €
1.0 10% Ø12.7 1-3 days 1-NF-10-0127 28 €
1.0 10% Ø25.4 1-3 days 1-NF-10-0254 32 €
1.0 10% 50.8 x 50.8 2-4 weeks 1-NF-10-5050 44 €
1.5 3% Ø12.7 2-4 weeks 1-NF-15-0127 28 €
1.5 3% Ø25.4 1-3 days 1-NF-15-0254 32 €
1.5 3% 50.8 x 50.8 1-3 days 1-NF-15-5050 44 €
2.0 1% Ø12.7 1-3 days 1-NF-20-0127 28 €
2.0 1% Ø25.4 1-3 days 1-NF-20-0254 32 €
2.0 1% 50.8 x 50.8 1-3 days 1-NF-20-5050 44 €
3.0 0.1% Ø12.7 1-3 days 1-NF-30-0127 28 €
3.0 0.1% Ø25.4 1-3 days 1-NF-30-0254 32 €
3.0 0.1% 50.8 x 50.8 1-3 days 1-NF-30-5050 44 €
Neutral Density Filter Set (11 pcs, CA = 18 mm) Ø25.4 2-4 weeks 1-NFS11-0254 198 €

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