Fixed-Pattern Noise (FPN)

A faint hexagonal (honeycomb) pattern throughout the image area that most often occurs under high-light conditions. This pattern is inherent in the structure of the micro-channel plate and can be seen in virtually all Gen 2 and Gen 3 systems if the light level is high enough.

Last Update: 04.01.2020  

02.12.2020  Thermal Terminology

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