what happened to native 2.35 projectors? - Page 6 - AVS Forum
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Old 02-04-2014, 12:22 AM
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Old 02-04-2014, 04:42 AM
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Originally Posted by stanger89 View Post

Even Dolby, in pushing their Dolby Vision system, state the current system (REC 709) supports way more then 200:1 contrast...  ..the ratio between 1 and 220 is 160,466

Originally Posted by Mr.D View Post
" 200:1 contrast range on video ? If you mean the theoretical useful dynamic range on the material itself... sounds about right but thats not the same as the display contrast range"


160,000:1 correlates density 5.2

200:1 correlates density 2.3

220:1 correlates density 2.34


Please review data http://www.image-engineering.de/datasheets_manuals/testcharts/TE223_A_datasheet.pdf


Please note Esser chart TE223A, .5% reflectance (aka black) correlates to a density 2.35? 



Two fields of black velvet and white are located between the gray scales. The density of the black field is D > 2.4 (reflectance > 0.5%)

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Old 02-04-2014, 08:25 AM
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Please stop. It's off topic for this thread. And nobody's listening anymore.
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Old 02-04-2014, 07:58 PM
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Bralas, please stick with the op's intended topic or start your own thread

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