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Author Topic: Exporting from LightRoom 1.4  (Read 1015 times)
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phil1066
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« on: 16 January 2009, 10:35:01 AM »

So I noticed the other day that the images in Lightroom look brighter and more colourful than when I preview the exported versions in windows image viewer. Is this to do with the colour profile selected for export? currently I have sRGB and 240 pixels per cm. Bit depth is 8 and greyed out.

Are these setting contributing towards what I am seeing and are they the right ones to use with Image Libraries like Yaketti. I often use CS2 to edit images after exporting from LR anyway and re-save in there.

Update - tried saving in one of the other RGB settings and got file size of 7.12Mb vs 8.26 for sRGB.
« Last Edit: 16 January 2009, 10:37:34 AM by phil1066 » Logged

Pete W
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« Reply #1 on: 16 January 2009, 11:40:32 AM »

Phil

starting with RAW from the camera, Import to lightroom then,

I export as Tiff with adobeRGB colour space at 16bit. I then use CS4 for final edit and saving for web etc

In CS4 I save as SRGB for web and 8 bit RGB for stock
« Last Edit: 16 January 2009, 11:42:43 AM by Pete W » Logged

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« Reply #2 on: 16 January 2009, 04:50:54 PM »

The internet reads sRGB so anything that is going to be displayed on the web should be sRGB.   sRGB is a slightly smaller colour space than RGB, in other words it can not display as many colours as the RGB colour space.

Although there are monitors out there that will display the full RGB colour space 99.999% wont.(and the ones that will cost over £4000)

 The result of viewing an RGB image through the web on a monitor would be a much more subdude image. Lightroom is able to read the RGB colour space and does a better job at rendering what the image should look like compared to the net or windows.  RGB also provides better CMYK conversions than srgb so it is the preffed colour space for those looking at hi end colour printing.  Most commercial printers that use the CMYK colour space will convert and rgb files as part of their workflow.  My commercial clients get 2 version of each file 1 sRGB file for the web and general print use and 1 CMYK file for their printers.

So just to some up
Shoot in raw RGB this give you all the best options, convert to sRGB for images on Yaketti and the web. And if a client requests CMYK the do the conversions yourself.

The benefits of using 8bit and 16bit are only relevent to the editing stage.  Like a raw is to Jpg 16bit is to 8bit. You get much more latitude with your adjustments. You get a lot more control.
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Pete W
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« Reply #3 on: 16 January 2009, 06:02:15 PM »

OK
So how do I save a jpeg as sRGB when choosing Save As...

Image - Mode, only has RGB, then change to 8bit, then Save As and choose jpeg at maximum quality.....


Am I missing something.
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« Reply #4 on: 17 January 2009, 02:41:27 PM »

Edit>convert to Profile.  In the destination space choose sRGB
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« Reply #5 on: 17 January 2009, 03:53:23 PM »

Edit>convert to Profile.  In the destination space choose sRGB

thanks Syman...  Sorted Smiley
« Last Edit: 17 January 2009, 03:59:30 PM by Pete W » Logged

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