4.3Adventures in Lighting: Light Sources 101, Part III—HMIs
In the world of luminaries, the carbon arc used to be the king, but his time has faded and left room for the HMI to be king of the power and utility.
A specialty HMI fixture manufactured by Arri, the 1,800W HMI—the brightest fixture that can be plugged into standard 20A “household” power. Image courtesy of Arri.
HMI is an acronym for hydrargyrum (the Latin for mercury and the basis of the periodic chart symbol Hg) medium-arc iodide. HMI is actually a trademark of the Osram corporation, the original manufacturer of metal-halide gas discharge lamps, but it has been adopted as a common ...
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