How much does sensor resolution matter when buying thermal equipment?
Higher resolution sounds attractive, but I don't want to pay extra without understanding the practical difference. I’m mainly interested in whether better resolution will help me recognize details more easily during real-world observation.
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Sensor resolution matters quite a bit, especially if you need to distinguish details at longer distances. Higher resolution generally gives you a clearer thermal image and makes identification easier, but it shouldn’t be the only specification you consider. Lens quality, thermal sensitivity, field of view, and magnification also have a major impact. I’ve found it useful to compare complete systems at https://www.agmglobalvision.com/products/agm-fuzion-tm25-384, where you can see different resolution options and match them to your actual observation needs rather than simply choosing the highest number.