I think that the term "raw scan" actually pre-dated a DSLR raw file. More marketing hype and incorrect terminology which like using raw only confuses the issue. Silverfast calls their "raw" files "HDR", which is not related to the HDR designation in Photoshop. It takes no longer for the scanner to produce good, preferred data after you set it correctly than poor data which you now have to “fix” in Photoshop (the wrong tool for the job unless the tool you have driving your scanner is worse). ![]() About the only time it pays to muck around with a scan in Photoshop globally, after the scan is if you have poor scanning software. I’d agree, that with good scanning software, produce the best results at the scan stage and move on. We’ve had this ability since scanners and software were introduced, long before anyone used the term raw. The advantage is that you can try different "scanning" scenarios using Vuescan or Silverfast without actually rescanning the negative. We are not talking about "raw" files in the sense of a DSLR raw file, rather a "Vuescan RAW" or "Silverfast HDR". Film has an H&D curve, its nothing like a linear capture. And no, its film so its not anything like a linear gamma (again the confusion here thanks to those using raw which in the case of digital capture IS linear encoded data). ![]() The question you should be asking is, what’s the best gamma setting for the scanner to deliver the best data of which you’l then use the IT8 to build a profile for the scanner? Testing I did years ago when I had an Imacon was a 3.0 TRC gamma (found through trial and error, analysis of the profile). Its a piece of film, whatever “gamma” is immaterial to the gamma set for the scanner.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |