As Epson manufactures these professional units to a high standard of uniformity (judged by lack of evidence to the contrary), the normal expectation is that the canned profile should do a pretty good job on most of the users' units. The quality of the canned profile for the OPs' particular scanner then depends on any performance differences between his scanner and the scanner LSI used for generating the profile. That of course is a canned profile provided by LaserSoft Imaging (LSI) based on their profile-making using their unit of that scanner model. I determined that the software was pulling the correct profile for reflective scans using this scanner class. The first thing I verified before posting a response to the OP was the colour management settings in Preferences>CMS. The key, however, is to make sure the pixels get scanned-in at high resolution with no clipping. Also within Photoshop, the Photokit Sharpener 2 package has Creative Sharpeners that will help a lot. You can play non-destructively with various combinations of Clarity, Contrast and Sharpening to get the effect you like. While on this subject and going back to your objective of making big enlargements that well show the paper texture, you may find that Lightroom's Clarity tool, as well as its Contrast tool would make a useful contribution. Also, either of these tools completely obviates the nuisance of Lab conversions and they work superbly well. If you intend to sharpen in either of these applications, do not sharpen in SilverFast. Also make sure to scan in 48-bit RGB mode.Īs for sharpening, I'm a big fan of two sharpening tools that I think are really state of the art - Lightroom capture sharpening in the Detail panel, but if working in Photoshop, the Pixelgenius Plug-in Photokit Sharpener 2. Also, because you intend to make very big enlargements of these scans, use the scanner's highest optical resolution and largest scan dimensions you can before the Res slider in the image dimensions panel departs from the green zone. It's just important to bear in mind that a scan bakes in whatever you scanned. So if you find that making luminosity adjustments in SilverFast improves the appearance of texture of the paper in the SilverFast Prescan, by all means do it. That way, you bring it into a post-scan image editor in pretty decent shape, and that gives you more degrees of freedom for further adjustments while preserving the basic quality and integrity of the image. But let me try to respond here and now to the extent reasonable: My general approach is to get the scan as close to a finished product as the scanning software allows. I go into a lot of this in my book on SilverFast, so if you wish to explore this topic in more depth I'll be unbashful enough to recommend my book to you. The workflow questions you ask are perennial, there isn't one unambiguous answer and as usual - "it depends". If you can succeed in getting the scan values below level 255 in all three channels or even in two of three, make the scan, open it in Lightroom and try additional highlight taming there. Scanning applications don't have highlight recovery like we have in Lightroom or Camera Raw, where rather than just turning clipped values from white to gray as you reduce exposure, the Adobe applications simulate RGB values having colours. You can also go into "Preferences> Auto" and shift the "Auto-adjust Darker" slider rightward and see to what extent that helps. No matter, the Densitometer shows that there are no clipped values and the three shades of white are clearly distinguishable in the adjusted settings. Clipping disappeared from the output histogram, (but the input histogram did not update). I opened the histogram tool, Expert dialog, clicked on Color Cast Removal and made sure the slider was at 100. The default scan produced an overexposed prescan, highlights fringing on clipping, with little to distinguish the three different shades of white (see illustrations) and histogram values bunched to the right, I suppose like you got. I just tried replicating your problem, as I have the V750 scanner (same profiles and scanning specs) with SF8 Ai Studio.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |