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Welcome to the Colour Calibration Forum

 
 
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Author Steve

INF
Male
#1 | Posted: 19 Jan 2012 15:46 
Welcome to this forum dedicated to all things colour and calibration related.

Please feel free to discuss any associated topics, related to Light Illusion or not.

Cheers,

Steve, Sundeep and the team!
Steve Shaw
Mob Boss at Light Illusion

Author jeetulives
ZRO
#2 | Posted: 24 Jan 2012 07:59 
Congratulations guys ~ Look forward to Light, look forward to Insight!

Author Steve

INF
Male
#3 | Posted: 24 Jan 2012 10:49 
Hi Jeetu, great to have you here

Steve
Steve Shaw
Mob Boss at Light Illusion

Author Soufian
ZRO
#4 | Posted: 24 Jan 2012 15:07 
HI Steve,

I printed ALL of your valuable docs on DI, LUTs, Digital Dailies...in year 2009. And up to day, i still take those notes with me whenever i ride the train to go to work to absorb as much information as i can. I just love it ! You rock dude and thank you for being so generous when giving away so much information !

Author Steve

INF
Male
#5 | Posted: 24 Jan 2012 15:24 
Thanks for the nice comments!
Steve Shaw
Mob Boss at Light Illusion

Author Nepomuk
ZRO
#6 | Posted: 25 Jan 2012 18:30 
Hi everyone,

I am struggling equipping a indie DI/finishing-suite around Scratch, and hopefully less than 10k€ projector, for rec709, p3 and film.

Steve, how do I decide between the i1pro and the hubble. Do you have a table of the errors of the i1pro as well?

thank you

Nepomuk

Author Steve

INF
Male
#7 | Posted: 25 Jan 2012 22:16 
Hi Nepomuk,

Finding a projector that can do P3 for under 10K€ is unlikely. The better option is to go for a good Rec709 projector with good blacks/whites and contrast, and then use LightSpace CMS to make a LUT to convert fro Rec709 to P3 or DCI XYZ. This is a far better workflow. I always use TI Dark Chip projectors, not DILA versions - they are unstable and have very poor blacks.

For film grading, just use a film print emulation LUT - again via LightSpace CMS and a film profile of your lab.

As for Hubble and the new i1 Display Pro, the Hubble is a lot faster, and has better black reading capability. But, for the price the i1 Display Pro is very good value. I often suggest getting the i1 Display Pro (the OEM version) and seeign if it is good enough for your application. If not, then get a Hubble as the cost of the i1 is low.

But, I have both, and always use the Hubble.
Steve Shaw
Mob Boss at Light Illusion

Author Nepomuk
ZRO
#8 | Posted: 25 Jan 2012 23:29 | Edited by: Nepomuk 
Again, thanks für your advise, Steve.
This workflow was my first thought.But, how much would I need to spend for getting close to a kodak gamut? Or at least p3? I would really love to to grade for film....

Somewhere someone claimed "Rec709 has an approx 50% overlap area with film, while P3 is approx 75%".
Fantastic would be a database of the maximum vectorspaces of all high end monitors and projectors where you can display them on top of each other in an java applet and calculate the overlap, and including their tolerances during operation. Together with error values for the probes on the market one could actually find the right equipment for the job.

interesting french forum post:.../232987-transfert-super8-evaluation-scanners-super8.html
edit: search for kodachrome...wenn will we come back to this Quality!

Author Steve

INF
Male
#9 | Posted: 26 Jan 2012 00:01 
Rec709 and Kodak Vision overlap is approx 75%
P3 and Kodak Vision overlap is approx 85%.

But, the areas of overlap are different, so the numbers don't mean a lot... And the out of bounds areas are colours that are rarely used in the real world.

To see the various overlaps use LightSpace CMS - it shows this in various ways.

As for a P3 projector - the Cineo82 is one of the most cost effective IMHO.
Steve Shaw
Mob Boss at Light Illusion

Author Nepomuk
ZRO
#10 | Posted: 26 Jan 2012 00:25 
tried it! That what I want!

Author Steve

INF
Male
#11 | Posted: 26 Jan 2012 07:54 
Tried what?
Steve Shaw
Mob Boss at Light Illusion

Author Nepomuk
ZRO
#12 | Posted: 26 Jan 2012 08:15 | Edited by: Nepomuk 
Lightscape! Its what I imagined a CMS would do. I did only indie docs so far, interesting new world.

The projector is still an unknown. I contacted projectiondesign, but I don't know which one I can or want to afford. I mean, extreme saturated colors aren't my style anyway...
;)

Author Sundeep
ZRO
#13 | Posted: 26 Jan 2012 08:50 
Hi Nepomuk

Considering your budgets you are better off going for a good Rec 709 projector like the Cineo 32 and then as Steve suggests use LightSpace CMS to make a LUT to convert from Rec709 to P3 or DCI XYZ.

I have used the Cineo 32s a fair bit for colour grading and they are very easy to maintain and calibrate.

The Cineo 82s are in a higher league thatn the Cineo32s but they are the most cost effective P3 projectors around.

Cheers
Sundeep

Author Nepomuk
ZRO
#14 | Posted: 26 Jan 2012 08:58 
Thanks Sundeep for your input!

I assume a for a small screen LED wider gamut projector would be appreciated by many these days.

Author Steve

INF
Male
#15 | Posted: 26 Jan 2012 11:04 
Depending on the screen size - LED projectors tend to not be bright enough...
Steve Shaw
Mob Boss at Light Illusion

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