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Longpass Filters

Longpass Filters

Longpass filters let longer visible and/or infrared wavelengths pass while blocking shorter wavelengths of light. Mainly for use in monochrome (black and white) imaging applications, they can help to improve contrast, resolution and separate colors while maximizing brightness of surroundings in the vicinity of the subject under inspection or surveillance.Features
•Peak Transmission > 90%
•VIS/Near-IR wavelengths
•Both surfaces provided with durable, high efficiency anti-reflection coatings in order to protect polished glass surfaces and increase light throughput
•Useful for Machine Vision applications where multiple wavelengths need to be blocked and/or transmitted.
•Useful for: outdoor (sunlit or moonlit) applications; longer-wavelength near-infrared and multi-wavelength fluorescence applications

Mount & Size Options
•Threaded Mount, C/CS Mount, Slip Mount, Unmounted
•Threaded Mount Sizes: M25.5-M105

LP645 Dark Red Longpass Filter

LP645 Dark Red Longpass Filter

Please choose a thread size. Prices starting at $55

The LP645 is recommended for night vision applications while using a filtered broadband light source; incorporating a LP645 filter blocks most visible light while passing deep red and NIR wavelengths. Useful Range : 650-1100nm Cut-on Wavelength 50% T : 645nm Tolerance : +/- 10nm Peak Transmission : ≥90% Surface Qu...

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LP665 Dark Red Longpass Filter

LP665 Dark Red Longpass Filter

Please select your filter size. Prices start at $55

LP665 is often used with monochrome cameras to aid in increased contrast and resolution in the near-IR, LP665 filters will block most visible light while passing deep red and all NIR wavelengths. Useful Range : 680-1100nm Cut-on Wavelength 50% T : 665nm Tolerance : +/- 10nm Peak Transmission : ≥90% Surface Quality ...

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LP695 Near-IR Longpass Filter

LP695 Near-IR Longpass Filter

Please select your filter size. Prices start at $55

The LP695 is recommended for enhancing subject recognition in the IR, LP695 filter material cuts on sharply at the beginning of the infrared portion of the spectrum, letting the complete NIR spectrum pass through. Useful Range : 715-1100nm Cut-on Wavelength 50% T : 695nm Tolerance : +/- 10nm Peak Transmission : ≥9...

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LP715 Near-IR Longpass Filter

LP715 Near-IR Longpass Filter

Please select your thread size. Prices starting at $55

LP715 filters block all visible light while passing Near – IR wavelengths. Useful Range : 730-1100nm Cut-on Wavelength 50% T : 715nm Tolerance : +/- 10nm Peak Transmission : ≥90% Surface Quality : 40/20

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LP780 Near-IR Longpass Filter

LP780 Near-IR Longpass Filter

Please select a thread size. Prices start at $68

Recommend for use with laser diodes and LED lighting that operate in 810-830nm range LP780 filter material is commonly used for Near-IR wavelengths found in machine vision applications. Useful Range : 800-1100nm Cut-on Wavelength 50% T : 780nm Tolerance : +/- 10nm Peak Transmission : ≥90% Surface Quality : 40/20

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LP800 Near-IR Longpass Filter

LP800 Near-IR Longpass Filter

Please choose a thread size. Prices start at $68

Useful Range : 820-1100nm Cut-on Wavelength 50% T : 800nm Tolerance : +/- 10nm Peak Transmission : ≥90% Surface Quality : 40/20

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LP815 Near-IR Longpass Filter

LP815 Near-IR Longpass Filter

Please choose a thread size. Prices start at $68

These plastic filters are ideal for blocking visible light, while passing near infrared wavelengths. Useful Range : 825-1100nm Cut-on Wavelength 50% T : 815nm Tolerance : +/- 10nm Peak Transmission : ≥95% Surface Quality : 40/20

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LP830 Near-IR Longpass Filter

LP830 Near-IR Longpass Filter

Please choose a thread size. Prices start at $68

The LP830 filter is suggested for use with infrared LED lighting emitting at 880nm or 850nm when it is also desirable to transmit other longer infrared wavelengths as well. Useful Range : 845-1100nm Cut-on Wavelength 50% T : 830nm Tolerance : +/- 10nm Peak Transmission : ≥90% Surface Quality : 40/20

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LP850 Near-IR Longpass Filter

LP850 Near-IR Longpass Filter

Please select a thread size. Prices start at $68

The LP850 filter is excellent for eliminating overwhelming visible and NIR ambient light, particularly in cases where the spectral response of the camera beyond 900nm is approaching zero. Useful Range : 870-1100nm Cut-on Wavelength 50% T : 850nm Tolerance : +/- 10nm Peak Transmission : ≥90% Surface Quality : 40/20

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LP900 Near-IR Longpass

LP900 Near-IR Longpass

Please select a thread size. Prices start at $68

Designed to be used with 900nm LED illumination, LP900 filters block visible and unwanted near-IR wavelengths. It can also be placed in front of multi-spectral lighting used in semi-covert or photographic darkroom applications. Useful Range : 910-1100nm Tolerance : +/- 10nm Peak Transmission : ≥90% Sur...

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LP920 Near-IR Longpass Filter

LP920 Near-IR Longpass Filter

Please choose a thread size. Prices starting at $68

The LP920 is designed to be used with 940nm LED illumination, LP920 filters block visible and unwanted near-IR wavelengths. It can also be placed in front of multi-spectral lighting used in semi-covert or photographic darkroom applications. Useful Range : 930-1100nm Cut-on Wavelength 50% T : 920nm Tolerance : +/- 10n...

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