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In any imaging endeavor, focus is essential. Imagine having poorly focused photographs of important life events. Your wedding pictures fuzzy, your child’s school photos blurry. They would be nearly worthless to you. The exact same is true for thermal images—focus is everything. Not only does poor focus give you a bad thermal image, poor adjustment of focus degrades your imager’s ability to accurately measure temperature. With advances in imager software, there are many image parameters that can be adjusted in a saved image once the image is being optimized for reporting purposes. One thing that cannot be changed after an image has been saved is focus. Focus is an optical adjustment, and as such can’t be adjusted in a saved image. For all of these reasons, proper focus is one of the most important aspects of thermal imaging.
Download “Get the facts about focus” PDF for more information