Point Grey Flea3 FL3-U3 - Infrared Cut-Off Filters; Figure 1.13: IR Filter Transmittance Graph

Point Grey Flea3 USB 3.0 Technical Reference 1 Welcome to Flea3 USB 3.0
1.3.7 Infrared Cut-Off Filters
Point Grey color camera models are equipped with an additional infrared (IR) cut-off filter. This filter can reduce
sensitivity in the near infrared spectrum and help prevent smearing. The properties of this filter are illustrated in the
results below.
Figure 1.13: IR filter transmittance graph
In monochrome models, the IR filter is replaced with a transparent piece of glass.
The following are the properties of the IR filter/protective glass:
Type Reflective
Material Schott D 263 T
Physical Filter Size 14 mm x 14 mm
Glass Thickness 1.0 mm
Dimensional Tolerance +/-0.1 mm
Coating Filters Scott D 263 T
For more information, see Dust Protection on previous page.
Title Article
Removing the IR filter from a color camera
Knowledge Base Article 215
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Revised 9/27/2012
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