ILLUSTRATION / NOT PRODUCT PHOTO256 / CLASS
The independent thermal optics index
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THERMAL / REFERENCE VISUALARTISTIC VISUALIZATION · NOT SENSOR TEST
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WHAT MATTERS MOST?
There isn't one number that decides image quality. Use the field guides to understand the tradeoffs.
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ILLUSTRATION / NOT PRODUCT PHOTO384 / CLASS
ILLUSTRATION / NOT PRODUCT PHOTO640 / CLASS
ILLUSTRATION / NOT PRODUCT PHOTO384 / CLASS
ILLUSTRATION / NOT PRODUCT PHOTOTHERMAL / CLASS
ILLUSTRATION / NOT PRODUCT PHOTO384 / CLASS
* “Class” labels are derived from model naming or listings and are not independent test measurements. Illustration is not a product photo. Prices and stock must be checked at the merchant.
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THE FIELD GUIDES
Technical reference
256 vs 384 vs 640: reading thermal resolution correctly
A higher sensor pixel count is useful, but it is only one part of an imaging system.
Read guide →Technical referenceNETD explained: why a smaller mK number can matter
Thermal sensitivity is not the same specification as thermal resolution.
Read guide →Technical referenceField of view vs. magnification: the tradeoff that matters
Why a lens and sensor pairing deserve more attention than a large zoom number.
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