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Please forgive what might be a basic question (I've been away a long time and forgotten so much).

Do images have to be changed to 8bit before submission?

I have looked for the answer but I can't find it. My memory says 8bit and AdobeRGB Color space but things might have changed.

 

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Hi Christine.  All jpgs are 8 bit, so it doesn't matter what your tiff size is.  You can work in Adobe RGB, but web deals with sRGB color space.

 

Jill

 

Edited by Jill Morgan
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As Mark Chapman discovered through his tests any jpegs uploaded are converted to sRGB as necessary (from Adobe RGB say)and the colour profile is stripped off so it is probably best if you convert them to sRGB yourself before uploading. 

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38 minutes ago, Harry Harrison said:

As Mark Chapman discovered through his tests any jpegs uploaded are converted to sRGB as necessary (from Adobe RGB say)and the colour profile is stripped off so it is probably best if you convert them to sRGB yourself before uploading. 

 

Yes, and subsequently confirmed by Alamy. Uploaded images are always converted by Alamy to sRGB and the profile is then stripped. If I recall correctly, testing also indicated Alamy also compress our images to around jpg quality level 8 (PS equivalent). I always make final tweaks in PS whilst working in 16 bit sRGB colour space before saving as 8 bit sRGB jpg quality level 10 to ensure histogram and image I saw are as close as possible to what the customer will see/receive.

 

Mark

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