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Midwest Optical SP645 Near-IR/MId-Red Dichroic Block Shortpass Filter, 400-640nm Range

SKU:
MWO SP645
Availability:
Typically 2-5 days
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Current Stock:

Our most popular near-IR blocking filter for inside-the-camera applications. Also referred to as an infrared cut filter, these filters limit the amount of infrared radiation that reaches delicate CCD and CMOS sensors. Near-IR blocking is unusually exceptional in the case of these filters. CCD/CMOS imagers are very sensitive to infrared radiation and, often, deep red wavelengths as well. Using a SP645 filter will reduce or prevent a reddish, washed out coloring of the final image. These filters are 1mm thick.

  • Useful Range : 400-640nm
  • Cut-off Wavelength 50% T : 645nm
  • Tolerance : +/- 10nm
  • Peak Transmission : ≥90%
  • Surface Quality : 40/20
 
 
Note: Midwest Optical filters are considered to be special order items and are thus not returnable.