Photography and cinematography use analogous lighting tools, including:
Hydrargyrum Medium-arc Iodide (HMI)
Lights produce also both light and heat. Since the moment that the aim is to light and not to heat what we are lighting, a good light to heat ratio is therefore one of the main parameter in choosing between technologies. This is important in studio settings, where an hot environment would otherwise be distracting and unsafety.
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