An Etymological Dictionary of Astronomy and Astrophysics

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Number of Results: 1 Search : neutral density filter

neutral density filter

پالایه‌ی ِ چگالی ِ نتار

pâlâye-ye cagâli-ye natâr

Fr.: filtre neutre

A filter having a flat response over the range of wavelengths of interest. Also called neutral filter or gray filter.

→ neutral; → density; → filter.

An Etymological Dictionary of Astronomy and Astrophysics
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