DB940-77 Visible and 940nm NIR Dual Bandpass Filter M77x0.75


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Precio de venta$348.00 USD

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MidOpt DB940-77 Visible and 940nm NIR Dual Bandpass Filter

A DB940 filter passes visible and reflected 940nm LED light without impacting system MTF. 940nm LEDs do not emit the faint red glow associated with 850nm and other lower NIR LED wavelengths. A DB940 filter over or behind the lens allows complete color imaging during the day and covert surveillance at night.

Any camera’s spectral response at 940nm will be lower than at other, shorter NIR wavelengths, so the relative sensitivity of each camera’s imaging sensor at 940nm must also be considered. DB940 filters are also used in many automated inspection and 3D point cloud imaging applications.

MidOpt DB940-77 Technical Specifications:

Product Line / Series DB - Dual Bandpass
Filter Model DB940
Filter Type Visible and 940nm NIR Dual Bandpass
StablEDGE No
Useful Range 405nm - 650nm / 925nm - 965nm
Tolerance +/- 10nm and +/- 20nm
Peak Transmission ≥90%
Surface Quality 40/20
Filter Size 77mm
Filter Thread M77x0.75
Outer Diameter 85mm
Clear Aperture 76.8mm
Overall Thickness 6.5mm
Exposed Thickness 4.5mm
FWHM 50nm/250nm
Compatible LED 940nm, 950nm
Average Transmission Not Specified
Brand Midwest Optical Systems

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