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Knowledge Base

Thermal imaging

Thermal imaging is best understood by matching sensor, lens, sensitivity and field use rather than reading one headline range number.

Understand the core specs

Sensor resolution, pixel pitch, NETD, lens size and processing all affect the image. No single number tells the whole story.

Choose by job

Handheld scanning, rifle-mounted foxing, farm checks and long-range observation all need different tradeoffs.

  • Thermal detects heat rather than visible light.
  • LRF can matter on larger fields.
  • Battery and charging can decide field usefulness.

Help topics

FAQs

Direct answers for common support and buying questions.

What does NETD mean?

NETD relates to thermal sensitivity. Lower values can help separation, but lens, sensor and processing still matter.

Is detection range the same as identification range?

No. Detection can be much longer than confident identification.

Should I buy handheld or rifle-mounted thermal?

Choose handheld for scanning and rifle-mounted only when the optic is intended for that platform and use case.