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Check your noise reduction settings in c1; turn them down and detail will come back (along with increased grain).I just shot some 20 and 30 second exposures with my IQ160, on a warm Miami evening outdoors, this was before I saw this thread. The photos were absolutely showing a loss of pixel-peeping detail. I was quite disappointed. The shot was an ordinary, post card plain, city skyline with water in the foreground. The buildings were quite distant, so when you zoom in to 100%, the windows remain small enough that one cannot really see inside them. Now that you can imagine the shot, the issue I have is that the edges of the windows, which should have a sharp edge, get a mushy, splotchy look. It is not up to standards for me. I suppose I will have to shoot at faster speeds.
Does anyone know if heat buildup causes noise and detail loss to set in at faster speeds too? If I shoot 50 exposures at 5 seconds each in warm weather, will the heat hurt the latter exposures in the series?
The single biggest issue the 160 will have in your environment is the outside humidity/temp in Miami. I work in Arkansas and in the summer, longer exposures with a CCD back really won't work. The heat build up on the back is extreme, and you can feel the heat on the case of the IQ.I just shot some 20 and 30 second exposures with my IQ160, on a warm Miami evening outdoors, this was before I saw this thread. The photos were absolutely showing a loss of pixel-peeping detail. I was quite disappointed. The shot was an ordinary, post card plain, city skyline with water in the foreground. The buildings were quite distant, so when you zoom in to 100%, the windows remain small enough that one cannot really see inside them. Now that you can imagine the shot, the issue I have is that the edges of the windows, which should have a sharp edge, get a mushy, splotchy look. It is not up to standards for me. I suppose I will have to shoot at faster speeds.
Does anyone know if heat buildup causes noise and detail loss to set in at faster speeds too? If I shoot 50 exposures at 5 seconds each in warm weather, will the heat hurt the latter exposures in the series?