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05-21-2012, 09:58 AM   #1
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Low-light/long exposure

I'm thinking of purchasing a K5. I'm not happy with my Nikon DSLR. I like to shoot in every lighting condition, and that often means at night in the mountains with a bulb exposure. My Nikon produces huge amounts of noise and is virtually worthless for anything over eight or ten seconds.
How does the K5 do in very low-light situations at extended exposure times (30 sec+)?

05-21-2012, 12:33 PM   #2
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No problem at all. Extremely low noise in the shadows even at long exposures.
05-21-2012, 01:21 PM   #3
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I have used most of Pentax's dSLRs in long exposure settings, and have found the best results came from the K-5. Then probably the K10D.

This is more of a beginner's question, so I moved the thread to the Beginner's Q&A section.
05-21-2012, 03:57 PM   #4
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Are you using noise reduction - especially dark frame subtraction on the Nikon? Chances are, it is capable of better results than you are currently getting. Bbut that might be something to pursue on a different forum

05-21-2012, 06:06 PM   #5
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QuoteOriginally posted by Marc Sabatella Quote
Are you using noise reduction - especially dark frame subtraction on the Nikon? Chances are, it is capable of better results than you are currently getting. Bbut that might be something to pursue on a different forum
I've processed files from a number of Nikons. The D7000 has a similar excellent noise profile to the K-5. A little more chroma noise - a little less luminance noise, but very close. No surprise, as they use the same sensor. The D300 and D90, even with dark frame subtraction aren't as clean.
05-21-2012, 06:25 PM   #6
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Evening, I shoot ambient low light with my K5 all the time (especially now that its 108 outside). I also do a fair amount of bracketing. The K5 does extremely well at ISO 80 with its excellent dynamic range and for me I have not seen any hint of noise. Here are some shots....
05-22-2012, 09:49 AM   #7
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Thanks for replies. And great pics!
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