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  • 1916 Greenleaf St. Evanston, IL 60202
  • sales@sterlingprecision.com
  • (847) 864 6900
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  • About Us
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  • Equipment
    • Clean Air Assembly Station
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  • CUSTOM OPTICAL FILTERS CUSTOM OPTICAL FILTERS
  • OPTICAL WINDOWS OPTICAL WINDOWS
  • OPTICAL COATINGS OPTICAL COATINGS
  • UV OPTICS UV OPTICS
  • CYLINDRICAL OPTICS CYLINDRICAL OPTICS
  • CUSTOM TEMPERED OPTICS CUSTOM TEMPERED OPTICS
  • OPTICAL MIRRORS OPTICAL MIRRORS
  • NEUTRAL DENSITY NEUTRAL DENSITY
  • PRISMS & RETROREFLECTORS PRISMS & RETROREFLECTORS
  • ASSEMBLIES ASSEMBLIES
  • OPTICAL LENSES OPTICAL LENSES
  • NIGHT VISION FILTERS NIGHT VISION FILTERS
  • ACHROMATIC LENSES ACHROMATIC LENSES
  • OPTICAL BEAM SPLITTERS OPTICAL BEAM SPLITTERS
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NEUTRAL DENSITY
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  • neutral density filter
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NEUTRAL DENSITY

Neutral Density or ND Filters evenly reduce the transmission across a portion of a certain spectrum (wavelength) visible, ultraviolet or infrared. There are two types of ND Filters: absorptive and reflective. The absorptive filter absorbs light that is transmitted through a specified filter glass. A reflective filter reflects the light back using a specified optical coating.

Common Uses of ND Filters

Neutral density (ND) filters are optical filters that uniformly reduce the intensity of light entering a camera lens or optical system without affecting its color or spectral characteristics. They are often used in photography, videography, and various optical applications to control exposure and achieve specific creative or technical effects.

ND filters come in various strengths, typically denoted by their optical density (ND number), and can be stacked or combined to achieve the desired reduction in light intensity. Photographers and videographers often carry a range of ND filters to adapt to different lighting conditions and creative requirements.

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  • Address: Sterling Precision Optics
    1916 Greenleaf St.
    Evanston, IL 60202
  • Phone:  (847) 864 6900
  • Fax:  847.864.6910
  • Email:  sales@sterlingprecision.com

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