[Tig] theatre screen luminance standard
htoptas at sinemaj.com
Wed Nov 1 10:10:04 GMT 2006
Is there a calculation formula or a chart between kelvin and x,y values.
x=.314, y= .351 means 6300K.
What should be the x,y values for 5400, 5600 or 5800K.
Thanks and regards,
----- Original Message -----
From: "Jim Houston" <jim at power.net>
To: "Rob Lingelbach" <rob at colorist.org>; "Telecine Internet Group"
<tig at tig.colorist.org>
Sent: Tuesday, October 31, 2006 5:19 PM
Subject: Re: [Tig] theatre screen luminance standard
> TIG is supported by subscribers.
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> For film projection, 16fL open gate at 5400K (more or less- it has a
> wide tolerance, typical is 5600-5800)
> For digital projection, 14fL(48 nits) at DCI P3 (x=.314, y= .351)
> approx 6300K CCT.
> All of these are measured off the screen.
> On Oct 31, 2006, at 5:44 AM, Rob Lingelbach wrote:
> > TIG is supported by subscribers.
> > see http://tig.colorist.org for donation button interface. The
> > Wiki isdown temporarily
> > --
> > I'm sure this has been covered before but (tail between legs) I
> > don't have a search facility
> > working right now for the archives. Can someone tell me (and
> > another couple of colorists
> > who are interested) the standard, SMPTE or other, for screen
> > luminance in projection theatres?
> > there could be some caveats in this kind of general question with
> > which I'm somewhat aware,
> > but if a standard exists, please let me know, thanks in advance.
> > Rob Lingelbach
> > Colorist
> > Pixion, Mumbai, India http://www.colorist.org/robhome.html
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