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FND-5013 - ND Filter NG4 D:1.3 T:5% 50 mm Sq.

FND-5013 - ND Filter NG4  D:1.3 T:5% 50 mm Sq.
Made to order
FND-5013 - ND Filter NG4 D:1.3 T:5% 50 mm Sq.
  • Stock: In stock - Contact us for lead times.
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  • Model: Elliot Scientific FND-5013
£38.53

Neutral Density Filter, Absorptive : FND-5013 ND Filter NG4    

FND-5013 ND Filter NG4   

Performance

Optical Density: 1.3
Transmission: 5%
Thickness: 2.4 mm
Size: 50 mm Sq.


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
File Name Size Link
NG4 filter datasheet 92.59KiB Download
Terms and Conditions V6 206.45KiB Download
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