> “With normal cameras, they are difficult to photograph,” he says. “The light they emit is very low and in the infrared where the sensors cannot see. I use a c

> “With normal cameras, they are difficult to photograph,” he says. “The light they emit is very low and in the infrared where the sensors cannot see. I use a camera without the normal IR Cut filter so it also sees the infrared band well.” Fails to mention that the human eye can only see visible light waves. Infrared light has longer wavelengths and lower energy than visible light and cannot be seen with the human eye.