Color Space for scans

Started 2 months ago | Discussions thread
Ken60 Senior Member • Posts: 2,231
Re: Need to know to convert! Also ...

NAwlins Contrarian wrote:

In a similar way, an 8-bit TIFF is every bit as good as a 16-bit TIFF for printing. The extra bits are only helpful if you will perform edits that substantially change the color and/or lightness.

In fact the fastest route to 8 bit banding is to play with the contrast curve and compress it . Try Ctrl + L in Photoshop and bring in the low and mid sliders a tad. Save and reopen your 8 bit file. Now look at the levels ( Ctrl + L) and note that it has changed from a curve to a bar chart.

Those are edits that (if done to a significant degree) substantially change the color and/or lightness. The OP made it sounds like the only editing was spotting or similar.

If you consider altering levels the way to change the colour of an image, then all I can ask is " Do you use Photoshop and do you have a copy for editing " ?   I have never heard of anyone using a Levels adjustment for colour changes !   Manipulating the tonal range of the curve is a very common adjustment for preparing a file for print..... if this was a colour changer no one would produce a good print.   You do produce large inkjet prints do you ?

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Gear ... what I need to get the job done , after all you don't see mechanics listing their brand of spanner as a qualification .

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