Point Grey Flea3 GigE Technical Reference
4 Flea3 GigE Physical Interface
4.6
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 4.3: 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 ±0.07 mm
Dimensional Tolerance
±0.08 mm
For more information, see
Dust Protection
.
Title
Article
Removing the IR filter from a color camera
Knowledge Base Article 215
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Revised 10/29/2013
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