Midwest Optical Bi632-35.5

$228.00Request Lead Time

Bi632 Light Red Interference Bandpass Filter

  • Useful Range: 625 to 640 nm
  • FWHM: 28 nm
  • Tolerance: +/- 5 nm
  • Minimum Peak Transmission: >88%
  • Surface Quality: 40/20

To order, please request a quote and one of our representatives will provide you with delivery information.


The Bi632 is recommended for use with red laser diodes and / or LED lighting where precise illumination control is needed or similar red wavelengths are also simultaneously being imaged with other cameras. Bi632 filters effectively block out almost all interference from other red light sources.

  • Useful Range: 625 to 640 nm
  • FWHM: 28 nm
  • Tolerance: +/- 5 nm
  • Minimum Peak Transmission: >88%
  • Surface Quality: 40/20


Product Type:Light Red
Filter Size:M35.5 x 0.5
Spectral Range:625 to 640 nm
FWHM:28 nm
Tolerance:=+/- 5 nm
Min Peak Transmission:>88%
Surface Quality:40/20
Compatible LED:None

Sample Images

  • Bi632 example

    Bi632 example