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12-06-2012, 06:35 PM   #16
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It's not just noise only. K7's DR is pretty bad at high ISO, even at ISO800 its DR is pretty bad.

12-07-2012, 09:44 AM - 1 Like   #17
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This is not SPAM as I don't sell photos... Everything on my site was shot with a horrible worthless piece of junk K7, maybe I should upgrade to an Iphone<<<< Sarcasm
12-08-2012, 08:11 AM   #18
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The K7 does fantastically well where you can control the exposure (e.g. studio flash), but IQ does drop off at higher ISOs or when you lighten the shadows or correct underexposure too much. However as a former K7 owner, I think the issues are overblown, and I don't see any evidence it's noticeably worse than the K20D. It's easily good enough for pro use, as your pictures demonstrate!
12-08-2012, 08:47 AM   #19
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QuoteOriginally posted by frank Quote
It's not just noise only. K7's DR is pretty bad at high ISO, even at ISO800 its DR is pretty bad.
This is the biggest difference between the K5 and K7. Not visible in low dynamic range situations. You can reduce noise in most images with today's software, but there is no bringing back dynamic range that is missing.

01-12-2013, 05:45 PM   #20
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QuoteOriginally posted by airtraffic Quote
I was a Pentax fan ever since I got my first Pentax DSLR by accident when a neighborhood Ritz camera store closed down and sold me the K10D at a fire sale price. I liked the K10, and thought the K20D would be even better. I hated the K20D. I sold that and bought the K7 when it came out and LOVED it! (Still do!) I have not noticed noise to be a big problem. Yes, the autofocus hunts in low light, but I still love the images I get from it. Now that the K5 II has driven the prices down to about $750 on the K5, I picked one up from Adorama to try it out.

I shot the K5 side by side with my K7 for the last week or so. To me, it seems the upgrade price is not worth switching from the K7 to the k5 or the K5 II. I plan to take my K5 back to Adorama today and keep shooting with the K7. That's knowing I could sell the K7 for about $400-$450, making my final cost of a K5 about $300-$350.

If I still had my K10 or K20 I'd either get a K7 at a great price or upgrade to the K5 if money were not an issue. I've shot the K7 up to about 800 ISO and really not had any adverse noise issues. (I don't plan to shoot regularly above 800.)
you have got to be kidding. there's nothing wrong with the k7 and it's sensor, despite what "everybody" says, i have the k20d and love it, and am in no hurry to part with it. but i paid full release price for the k-5, and am not sorry to this day, that sensor was a few years ahead of it's time 2 years ago when it was released. it's not just stellar high iso, but also dynamic (exposure) range which is simply in a class of it's own (some 35mm sensor cameras can't keep up, this should not be so.). that sensor and camera is so good it almost makes things too easy.

i suggest you keep shooting the k-5, and make your mind up carefully, it's worth every damn penny, it is the k7, but without chance of finding flaw with
01-12-2013, 06:23 PM   #21
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I have K-5 now, thanks all!
01-14-2013, 11:12 PM   #22
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Congratulations! I like K-x more than K-7. I'd guess K-r or K-30 will be good enough. I always use second hand high end bodies and very happy because I can try and sell it without breaking my bank account like new full priced bodies.

Manual lenses on pentax is still not that enjoyable with M and m42 lens by the green button for me. And good "A" prime lenses are so expensive to get. I recently tried Nikon and very happy with the manual focus lenses. It has aperture feeler so that many nikkor Ai, Ais lenses can be used and metered in A mode directly. I feel that's a true compatibility unlike the pentax-m lenses' mediocre solution.

My 2 cents,
01-15-2013, 06:45 AM   #23
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My K-r seems to meter fine in aperture priority mode with manual lenses, you can meter in manual mode, use the green button and/or use EC or bracketing. Honestly, the K-r is light years better than the K10d with manual lenses. I really don't see it as taking any enjoyment away from the experience, but then again I like to shoot in manual mode with manual focus.

That said, even the K10 will do a decent job with a simple ev adjustment used with center weighted or spot metering once you understand how the camera will react to the lenses wide open (+EV) v stopped down (-EV) since it doesn't know there is a lens attached. That said, I found that manual mode on the K10 is even easier to use with old M42 glass.

The K-r also amazes me as i have printed usable images at ISO 12800 taken handheld in near darkness. That was unthinkable with the K10d which to me seemed a little noisy even at ISO 400.

Wish I could help with the K7, but I don't have experience with that model.

Last edited by bucfan1234; 01-15-2013 at 02:04 PM.
01-16-2013, 03:04 AM   #24

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The K20D outperformed the K-7 because the K-7 has the same sensor but with a 4 channel read out so that it could do video... this compromised the still image performance slightly.
01-16-2013, 11:48 AM   #25
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Not good,up to iso 800 too bad
01-16-2013, 11:56 AM   #26
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I cannot vouch for the K7 but I can tell you the K5 is FANTASTIC at high ISO, even 3200, in broad daylight. Not so much in low light.

Compared to my K10D, the K5 is a Lamborghini and my K10D a beat up Russian piece of a crap when it comes to ISO performance.
01-16-2013, 01:16 PM   #27
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In a pinch, I'm finding my K-x quite usable at ISO 3200, the K-01 even at ISO 6400. This is from the K-01 at 6400 with a bit of post processing in LR, so I would expect the K-5 to do at least as well.

01-16-2013, 07:16 PM   #28
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Let me put it this way , there are a few cameras better than the K7 - but there aren't many APS-C format cameras that are categorically worse than the K7 when it comes to High ISO shooting. After a few weeks with my K5IIs I'm extremely impressed with the quality of its images even at 12800 - the grain reminds me of fuji ISO1600 colour negative film.

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