Infrared cameras and accessories create a visual representation of temperature by measuring the infrared radiation from the environment. Handheld infrared cameras provide a mobile method for measuring and inspecting thermal anomalies. Fixed-location thermal cameras monitor a specific location or piece of equipment for thermal irregularities. Infrared cameras for smartphones connect to mobile phones to display the infrared radiation the camera sees. Infrared windows provide a way to measure the infrared energy inside a normally inaccessible space which must remain sealed. Infrared camera accessories repair or enhance the functionality of an infrared camera.