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Digital Cinematography Light Illusion Forums / Digital Cinematography /

Question about DR and nits

Author qqqavi
Mono
#1 | Posted: 21 Feb 2019 07:26 | Edited by: qqqavi 
Hi there,

I'm trying to understand the ratio between dynamic range in stops and nits.

For example, Atomos claims that their panels have a peak white of 1500nits, black level of 1.3nits. This equates to a contrast ratio of 1153 or 10.2 stops of dynamic range.

The confusion comes when I see displays with peak white of 2000 nits and 0.003 black levels or even 0.001. I don't even dare to compute the total dynamic range, however as I understand that's the maximum white and black that a tv/monitor can display, but not both at the same time.
Is that correct?

According to a HDR Cheat Sheet (link below), I count 11 stops for Rec709. Why everyone says is only 6 stops then?
https://art-drivers.net/understandin...r_cheat_sheet/

Thank you.

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