Infrared Cut-Off Filters - FLIR GRASSHOPPER 3 Series Technical Reference

4.7

Infrared Cut-Off Filters

FLIR machine vision 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.
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:
For more information, see
Related Knowledge Base Articles
Removing the IR filter from a color camera
2/10/2017
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Solutions Inc. All rights reserved.
Figure 4.4: IR filter transmittance graph
1" and 1/1.2" Sensors
Type
Material
Dimensions 15.5 ±0.08 x 18 ±0.08 mm
Thickness
Dust Protection.
Title
Knowledge Base Article 10080
Grasshopper
4 Grasshopper3 PGE Physical Interface
All Other Sensors
Anti-reflective
Schott B270
14 ±0.08 x 14 ±0.08 mm
1 ±0.07 mm
Article
®
3 PGE Technical Reference
Anti-reflective
Schott B270
1 ±0.07 mm
25