Archived posting to the Leica Users Group, 2009/12/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks, Peter, I will. I'll have to have a look at Neat Image. ?howard On Dec 28, 2009, at 12:34 AM, Peter Klein wrote: > Howard: > > Whenever I see high-ISO D700 shots, I want one. Except that I don't want > to carry it around :-) > > Just for laughs, I ran the your M8 ISO 2500 and 1250 pictures through Neat > Image. I did the kind of noise reduction I prefer--aggressive on chroma > noise and sparing on luminance noise. I usually don't shoot my M8 above > ISO 640, so this was an interesting exercise for me. > > Results here: > http://gallery.leica-users.org/v/pklein/album170/M8_ISO_2500_filtered.jpg.html > http://gallery.leica-users.org/v/pklein/album170/M8_ISO_1250_filtered.jpg.html > > Compare the filtered M8 file at 2500 with the your Nikon ISO 3200 file. > The Nikon is still better, but now things are a bit closer than they were > before, probably within 1 stop. If you view them both at 1:2 or 1:3, > which is how they will look when printed, then you can see that while the > Nikon is still better, the Leica is still usable for reasonable print > size. Things stay pretty gritty in the low tones unless I really smear the > detail, which I don't want to do. > Whatever Nikon is doing with on-chip noise reduction is pretty darned > impressive. Neat Image can do some pretty amazing things with the noise in > the midtones and highlights. But the M8 does seem to fall off the digital > cliff at 2500, especially in the darkest tones. > > At ISO 1250 (M8) vs. 1600 (D700), Neat Image on the M8 picture evens > things out pretty well. I think the filtered M8 file is pretty comparable > to the D700 file, even at 100%. > > After what I've seen, I think I will be less reluctant to use ISO 1250 > when it's needed. > > I'll leave the two filtered files up up for a few days. Howard, if you > want to grab the full-sized files and add them to your test folder, feel > free. > > --Peter