On Dec 5, 2009, at 5:45 PM, AlunFoto wrote: > 2009/12/5 Igor Roshchin <s...@komkon.org>: >> >> It appears to me that K7 is much less forgiving (compared to *ist DS) >> with respect to noise in case of underexposed shots. >> >> My osbservation is that a photo shot with K7 at ISO 200 shows >> considerable noise in the shadows if the exposure is bumped by >> 0.75-1.00. The noise is at the level that cannot be removed by >> "Noise Reduction" function in LR. >> (DNG, in Lightroom 2.x) >> >> Do you see similar level of noise? > > There are individual differences at work here, Igor. Your > "considerable" may be entirely passable to the next guy. In my > personal experience, it's usually quite OK to bump the shadows up one > stop. I do not use neither sharpening nor NR in LR. That's for > PS/NoiseNinja. > > An observation from my recent trip was that the Canon guys were very > much dissatisfied with the NR in LR. They also passed rumors that this > would be much improved in LR v3.0. > > I think also that Pentax retains a lot more detail in the images at > the risk looking "noisy" compared to rival brands. > Although shouldn't that be only true of jpegs? I would think that a RAW exposure is exactly that. No firmware noise reduction. Paul > >> Yet another observation that I see is that sharpening (with the >> same parameters that I used with *ist DS: Radius 0.9 or 1.0, Detail 25) >> is not as effective. I suspect it might be related to the difference >> in the pixel size. Any comments and/or practical suggestions on this? > > Use a different sharpening tool? Wait for LR v3? > > I find that I rarely have to do much sharpening with the K-7 unless I > downsample the image for web. > > >> I don't expect that there is any difference between PEF and DNG >> in this aspect, am I right? > > No idea. Never shot a single PEF with K-7 > > > -- > http://www.alunfoto.no/galleri/ > http://alunfoto.blogspot.com > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions.
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