If by "filters" you mean digital processing, yes - but there is no optical (glass) filter that will allow you to see infrared light. It's more like thermal ima

If by "filters" you mean digital processing, yes - but there is no optical (glass) filter that will allow you to see infrared light. It's more like thermal imaging - different (invisible) wavelengths of radiation are mapped to different visible colors. http://images.google.com/images?hl=en&client=firefox-a&rls=org.mozilla:en-US:official&hs=liD&resnum=0&q=thermal+vision&um=1&ie=UTF-8&ei=74SpSuSVBIniswO3q52TBQ&sa=X&oi=image_result_group&ct=title&resnum=4 http://images.google.com/images?hl=en&client=firefox-a&#... Does the world "really" look like that? No. Does the color represent some real-world property? Yes. It's not just hand-coloring in Photoshop.