Archived posting to the Leica Users Group, 2016/03/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thank you Richard for your considered and informative answer. Now I understand. I am not sure Silverfast will scan as any raw format but I will carry on scanning as .tiff for now while I look at things. Gerry > On 17 Mar 2016, at 07:41, Richard Man <richard at richardmanphoto.com> > wrote: > > Gerry, there are two aspects of B&W scanning that you need to consider: > > 1) scan as negative or positive. Some people scan as "B&W neg" and some > people scan as "(RGB) positive" then invert in Photoshop or the like. Some > people claim that certain scanning software ALWAYS clip if you scan as B&W > neg (I believe NikonScan is one of them) so option 2) gives more fully > tonal result. > > 2) Save as Raw/DNG or TIFF/JPG. Note that TIFF is "full quality" where JPG > is compressed, but otherwise they are the same in this discussion. > Certainly, always save as TIFF rather than JPG as you want the highest > quality. > > If you save as TIFF/JPG, then usually you have the scanner software > applying some tone curves and such, so that the image looks pretty good > already, then it's minor way in LR/PSD to get to the final image. In this > regard, it's rather like having a digital camera saving the images as JPG. > > If you save as Raw/DNG, then the scanner software will try to maintain as > much information as possible, e.g. minimal tone curves and exposure > adjustments, so that it can be processed further post-scan. The downside is > that it takes a bit more work in LR/PSD to get to the final result. The > upside is that if you improve your LR/PSD skills or if better processing > software are to become available, then you can go back to the original > Raw/DNG file and redo it. > > *** > Personally, right now I scan as B&W neg or save in TIFF format. With medium > format /4x5 (I rarely shoot 35mm film any more), there is so much > information from those scans that I do not think it's worthwhile to use the > other options. > > YMMV. > > > > On Wed, Mar 16, 2016 at 11:48 PM, Gerry Walden <gerry.walden at icloud.com> > wrote: > >> A number (Peter, Lluis etc) have mentioned scanning b&w as either .tiff or >> even .dng. I cannot see any obvious advantage to this, so could somebody >> pease enlighten me. I tried a couple to .dng which was a pain in Lightroom >> as they came out as negatives and the sliders worked the wrong way. I am >> currently scanning as .tiff but (to be honest) don?t really know why. >> Thanks! >> >> Gerry >> >> >> Gerry Walden LRPS >> www.gwpics.com >> +44 (0)23 8046 3076 or >> +44 (0)797 287 7932 >> >> >> >> >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > > > -- > // richard <http://www.richardmanphoto.com> > // On Facebook: http://facebook.com/richardmanphoto > // On Instagram: https://instagram.com/richardmanphoto > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information