On Jan 27, 2012, at 5:01 PM, AlunFoto wrote: > Larry Colen wrote: >> In a related note, I'm curious about how you compare the >> K-5 with the 645D. I realize that it's kind of like comparing >> a Miata (Mx5, Eunos) with a Corvette, but I'm curious about >> which situations each of them excel in. Also, what conditions >> does it take for the performance of the 645D over that of the >> K-5 to be noticeable, or obvious? > > K-5 vs. 645D, well... > > I think actually that most of the practical differences are deductable > from the specs. With 5 FPS, K-5 is the one you want for action shots, > whether the athletes have feathers or balls, or both. For the Shake > Reduction, K-5 is the one you want for hand-held shots in low light, > and for Astrotracing with the GPS unit. For _convenience_ in dark > places, K-5 is the one you want for its high ISO properties. > > On a per-pixel basis I find there's less noise in the K-5, but not > that much less. If downsampled to K-5 pixel count, the difference is > in favour of 645D files at comparable ISO. But the K-5 does higher ISO > than do 645D, so it's easier to stay away from B mode. At long > exposures, the 645D also has more of that weird issue with cosmic rays > leaving "firefly-marks" than have the K-5. The effect was very > noticeable this time around, probably because of the ongoing solar > radiation storm. It was quite tedious with the 645D. The K-5 is much > more resilient. > > The image quality is where the 645D shines, though. I haven't been > able to really pin it down to technical terms what it is, but working > with the raw files, there seem to be just More Of Everything. Pixels, > tonal range, colour richness... I may be talking BS here, but at a gut > level that's what it feels like working with them.
Given you skill and expertise, I doubt you're "talking BS". I'm sure many would very much trust your "gut." Brilliant gallery! Just beautiful! cheers, Christine -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
