David Choo

We have transitioned to a new mode of operation where the dimmer is simply dialed up or down as needed, and the consequence is often that LEDs are used at very low dimmer settings. There are notable downsides to this. Most manufacturers will tell you, below 10 percent on the dimmer, color becomes very challenging to manage. The manufacturer’s advertised color rendering measurements are taken at the light’s optimal performance, at 100 percent. Maintaining color quality at low dim levels is complex because dimming changes the temperature, which affects different color LEDs at different rates ...more
Set Lighting Technician's Handbook: Film Lighting Equipment, Practice, and Electrical Distribution
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