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Phone: +1 949-366-8866
Fax: +1 949-498-9528
- Type: Filters
- Diameter / Dimension: 25mm - 200mm
- Filter Category: Neutral Density Filter
- Applications: Astronomy, Biomedical/Medical, Communications, Industrial, Military, Scientific Research, Other
- Diameter: 25 - 100 mm
- Thickness: 2 mm
- Material: BK-7 or equivalent
- Surface Quaility: 80-50 scratch/dig
Inserting a variable ND transmission filter at the aperture stop will modify the diffraction pattern of a lens. The reduced transmission at the center of the aperture will favor performances at high frequencies, while reducing transmission at the edge will favor low-frequency performance. Apodizing filters are used to eliminate intensity variations in optical systems. ISO 9001:2015 and ITAR.
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