FND-1202 - ND Filter NG11 D:0.2 T:63% Ø:12.5 mm
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FND-1202 - ND Filter NG11 D:0.2 T:63% Ø:12.5 mm
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- Model: Elliot Scientific FND-1202
£14.90
Neutral Density Filter, Absorptive : FND-1202 ND Filter NG11
FND-1202 ND Filter NG11
Performance
Optical Density: 0.2 |
Transmission: 63% |
Thickness: 1.4 mm |
Size: Ø 12.5 mm |
Absorptive Schott glass nd filters are used to control the intensity of light and are stackable without resulting in multiple reflections. The nd glass absorbs the light within the filter. Each glass type is polished to required thickness and measured to produce the exact optical density and transmission. Custom sizes or wavelength-specific optical density/transmission can be manufactured upon request.
Specification
Material: | Schott ® Filter Glass |
Dimensions: | Ø +0.00/-0.20 mm Squares ± 0.20 mm |
Thickness: | ± 0.10 mm |
Parallelism: | Ø 12.5 mm is ≤ 3 Arc min Ø 25 mm is ≤ 5 Arc min 50x50 mm is ≤ 8 Arc min |
Edges: | Fine Ground |
Flatness: | Ø 12.5 mm = 3 Fringes Ø 25 mm = 5 Fringes 50x50 mm = 8 Fringes |
Surfaces: | 60/40 |
Optical Density: | O.D < 1.0 ± .05 @ 546nm O.D > 1.0 ± 5% @546nm |
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