LP418-40.5 AR Coated Protective Window UV Block Longpass Filter M40.5x0.5

Midwest Optical SystemsSKU: LP418-40.5

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Sale price$105.75 USD

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Description

MidOpt LP418-40.5 AR Coated Protective Window UV Block Longpass Filter

LP418 filters are absorptive filters used to block unwanted ultraviolet (UV) light while allowing high (>90%) visible and NIR light transmission. Camera sensors typically will have some sensitivity in the UV spectrum. This light can at times be recorded by the camera as if it is blue light, resulting in an exaggerated bluish tint. These filters are well suited for color imaging applications as they absorb UV light, are angle insensitive, and are precision ground and polished to exceptional flatness and parallelism.

They are also frequently used in UV fluorescence applications to block interference from a UV excitation source, thereby increasing image contrast in the visible range. This material is unique in that it contains almost no phosphorus, and therefore does not auto fluoresce when exposed to intense UV light., at times,

MidOpt LP418-40.5 Technical Specifications:

Product Line / Series LP - Longpass
Filter Model LP418
Filter Type AR Coated Protective Window UV Block Longpass
StablEDGE No
Useful Range 425nm - 1100nm
Tolerance +/- 10nm
Peak Transmission ≥90%
Surface Quality 40/20
Filter Size 40.5mm
Filter Thread M40.5x0.5
Outer Diameter 45mm
Clear Aperture 38mm
Overall Thickness 7mm
Exposed Thickness 5.2mm
FWHM Not Specified
Cut-on Wavelength 50% T 418nm
Average Transmission Not Specified
Brand Midwest Optical Systems

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