LP900-49 NIR Longpass Filter M49x0.75


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Description

MidOpt LP900-49 NIR Longpass Filter

LP900 filters sharply block light below 900nm while allowing longer wavelengths to pass. This would be the filter of choice when viewing reflected 915nm laser diode light. These filters can also be used in infrared digital photography, as detector windows and in various scientific and forensic applications. For example, images of blood stains or gun shot residue on dark-colored fabrics or denim can often be enhanced by causing the fabric to appear white or comparatively much lighter when using a LP900 filter over the lens of a camera that has had its IR blocking filter removed.

MidOpt LP900-49 Technical Specifications:

Product Line / Series LP - Longpass
Filter Model LP900
Filter Type NIR Longpass
StablEDGE No
Useful Range 910nm - 1100nm
Tolerance +/- 10nm
Peak Transmission ≥90%
Surface Quality 40/20
Filter Size 49mm
Filter Thread M49x0.75
Outer Diameter 54mm
Clear Aperture 47mm
Overall Thickness 7mm
Exposed Thickness 5.2mm
FWHM Not Specified
Cut-on Wavelength 50% T 900nm
Average Transmission Not Specified
Brand Midwest Optical Systems

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