Question about incident light meter

Started Feb 28, 2013 | Discussions thread
Lawrence Keeney
Lawrence Keeney Veteran Member • Posts: 6,815
Re: Question about incident light meter

Sailor Blue wrote:

Lawrence Keeney, light meters are not calibrated to 18% gray. Most are calibrated to 12% gray. The 18% gray card is used by printers.

I have a Sekonic light meter and remember reading it was calibrated to 18% gray. I just checked their website and found this statement:

"Reflected-light meters measure the amount of light that is reflected by your scene or subject. This is not the ideal metering technique because it takes a reading of the entire scene (highlight and shadow areas) and provides an averaged reading designed to record the scene or subject as 18-percent gray (also called middle gray). This gray is a standard value designed to provide a safe exposure for “average” subjects."

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