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Author Topic: i1 display pro  (Read 8136 times)

shacharoren79

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i1 display pro
« on: December 15, 2011, 12:08:06 PM »

hello,

i'm new to the color management thing and there are basic things that i would like explanation for but somthing detailed as possible.

for example, i'm trying to calibrate a 30" Cinema Display with the i1 display pro.

and where i have to choose my Luminance level i'm not sure what to pick? should i calibrate when the light is on or off?

and so on...

i know these are simple questions but i do need help.

thank you for any kind of help,


shachar oren.
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Sheldon N

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Re: i1 display pro
« Reply #1 on: December 15, 2011, 12:13:21 PM »

Usually standard setting are D65 illumination and 120 cd/m2 for luminance. I calibrate with the lights off so there's no cross contamination of light from the room.

If the Cinema display has manual RGB controls you can manually set the whitepoint using the RGB adjustments on the monitor. Have you downloaded i1 Profile 1.2 yet?

digitaldog

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Re: i1 display pro
« Reply #2 on: December 15, 2011, 01:14:44 PM »

where i have to choose my Luminance level i'm not sure what to pick? should i calibrate when the light is on or off?

All explained here:http://www.luminous-landscape.com/tutorials/why_are_my_prints_too_dark.shtml
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Andrew Rodney
Author “Color Management for Photographers”
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shacharoren79

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Re: i1 display pro
« Reply #3 on: December 15, 2011, 01:19:52 PM »

well, from some reason i can't download the 1.2

either from the website nor from the built in upgrade in the software.

i will keep trying though.

i think that until i'll have a well lit room with high CRI lamp i will calibrate with the lights off, allthught that means i have to work in complete darkness which is not that good for me. i guess i'll get use to it.

i have an apple cinema display and therefore do not have manual RGB controls.

but if i will set the luminance  to 120 vs 200 won't i get a much brighter image in the 200?

what i mean is, won't i feel/see like the image is over exposed?
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shacharoren79

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Re: i1 display pro
« Reply #4 on: December 16, 2011, 02:36:49 AM »

so i have read the full article and i'm a little confused..

according to what it sais - " The point is, no specific cd/m2 target will necessary be correct without taking the print viewing conditions into account" -

so luminance values set for the monitor calibration are only a reference to the print?!

is there no "correct" luminance to use in the calibration process  in order to achieve "correct" situation where i will look at an image and know that it correct exposed?
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digitaldog

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Re: i1 display pro
« Reply #5 on: December 16, 2011, 09:51:02 AM »

so luminance values set for the monitor calibration are only a reference to the print?!
is there no "correct" luminance to use in the calibration process  in order to achieve "correct" situation where i will look at an image and know that it correct exposed?

Yup.
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Andrew Rodney
Author “Color Management for Photographers”
http://digitaldog.net/

shacharoren79

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Re: i1 display pro
« Reply #6 on: December 16, 2011, 10:44:59 AM »

so again, based on the fact that i'm printing my work at a near by lab, how can i tell if the image is over or under exposed?
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digitaldog

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Re: i1 display pro
« Reply #7 on: December 16, 2011, 11:04:54 AM »

so again, based on the fact that i'm printing my work at a near by lab, how can i tell if the image is over or under exposed?

You view the print next to the display, with soft proof on. You get a match.
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Andrew Rodney
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Tim Lookingbill

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Re: i1 display pro
« Reply #8 on: December 16, 2011, 02:11:50 PM »

so i have read the full article and i'm a little confused..

according to what it sais - " The point is, no specific cd/m2 target will necessary be correct without taking the print viewing conditions into account" -

so luminance values set for the monitor calibration are only a reference to the print?!

is there no "correct" luminance to use in the calibration process  in order to achieve "correct" situation where i will look at an image and know that it correct exposed?

Just do a simple physics test. Turn on a desk lamp, 60 watt bulb or any isolated lamp around the house with no other lights on and view a print under it. First have the print 1 foot from the light source then slowly pull it away and notice how the overall luminance and contrast changes.

The correct luminance for viewing that print as well as setting your display by will have to match with which ever dimness level that print viewed at either 1 foot or farther away.

Pick a display luminance level that you are comfortable looking at while editing or viewing your images. Don't work in a completely pitch black dark room with no lights on. Have some kind of light source around preferably neutral looking (there's many to choose from) to balance white luminance of your display so you don't get eye strain.

It's that simple. This isn't rocket science.
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