Dual Bandpass

A dual bandpass filter transmits two specific wavelength ranges while blocking shorter and longer wavelengths as well as some middle portion of the spectrum. These filters in particular pass visible light and some smaller portion of the near-infrared spectrum. Blocking most of the near infrared allows for excellent color rendition while retaining the ability to pass a specific LED or laser diode wavelength used for nighttime illumination.
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Features

  • Pass visible light and a specific narrow IR band
  • Peak Transmission > 90%
  • Ensure that precise, high-contrast images are obtained during both day and night observation
  • Achieve accurate color rendition by blocking interfering wavelengths
  • Allow viewing a scene with appropriately matched IR illumination at night
  • Useful for video security, red light camera, game camera and license plate recognition applications.

Mount & size options

  • Threaded Mount, C/CS Mount, Slip Mount, Unmounted
  • Threaded Mount Sizes: M22.5-M82
  • Custom sizes and shapes available

Visible + IR

Ideal for applications that use a color camera, allowing for accurate color images during the day and monochrome or color images at night. These filters pass visible light and a narrow IR band that make viewing with commensurate IR illumination possible at night.

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Vision Light Tech

Vision Light Tech supplies a broad range of solutions in light, lenses and filters for the industrial machine vision worldwide. VLT is renowned for their speciality in this niche market. The organisation distinguishes itself from others by a solution focussed approach. We also customize standard products to suit individual customer requirements.