rx100 What does BRIGHTNESS value in a photo's Properties mean?

Started Feb 28, 2013 | Discussions thread
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elliottnewcomb
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rx100 What does BRIGHTNESS value in a photo's Properties mean?
Feb 28, 2013

What does BRIGHTNESS value in a photo's Properties mean?

Is it just a photo's average brightness value when compared to a reference of 1.0? It is given for both flash and no flash shots, so it cannot be a record of the flash level chosen.

this, flash shot, is brightness -1.98

this no flash shot is brightness 5.27

thanks, Elliott

 elliottnewcomb's gear list:elliottnewcomb's gear list
Sony Cyber-shot DSC-S85 Sony Cyber-shot DSC-R1 Sony RX100 Olympus Stylus 1
Sony RX100
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