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11-06-2009, 09:27 PM   #31
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QuoteOriginally posted by rawr Quote
Thanks. It really was very dim in there. The K-x let me do things my K200D simply could not, especially with a slow kit lens. I mean, f7, handheld, indoors under crappy ambient light and still get a decent exposure, let alone a decent noise-free shot like that one?

I forgot that you were using the kit lens, imagine a nice f2.8 or f1.4 lens...WOW!

11-06-2009, 10:00 PM   #32
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QuoteOriginally posted by Raybo Quote
I forgot that you were using the kit lens, imagine a nice f2.8 or f1.4 lens...WOW!
Yeah, clean 12800 ISO combined with a f1.4 lens is a pretty scary thought.

I have been meaning to test out the K-x @ 12800 ISO with my FA 50/1.4 but haven't really found a scenario yet where I could really test out what that combination could deliver in practical terms.

But if I was going 1km underground down a coal mine anytime soon, that's the lens/camera combination I'd be taking along, and I think I'd get great results out of it too.
05-31-2010, 03:33 PM   #33
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QuoteOriginally posted by Marc Sabatella Quote
I'd agree if it weren't for SR. Also the lack of focus motor on the D5000. There's just no way I can see past that.
Not only does Nikon not have in-body lens focusing motor, but it won't meter with lenses that don't have CPU contacts. That means breaking ou the old hand held meter !!!

Nikon has had the same F-mount since like 1959 but they do little things to their consumer grade camera bodies to make the incompatible with yesterday's lenses.

Canon and Pentax on the other hand can meter with old glass just fine.

in Nikon's defense though, if you use their cameras as they are intended to be used they work well. You'll ultimately end up with one body and 3 lenses. D5000, 35/1.8, 18-55, and 55-200. If you want more you are out of luck
06-01-2010, 09:25 AM   #34
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Since this older thread has been revived -
take a look at this most telling page from the
K-x review on dpReview comparing noise
click on the stamp comparison at ISO3200 and above to see how much better the K-x is compared to the other two cameras in the subject line......

" As usual in our ISO-noise comparisons the differences between the contenders are pretty marginal up to ISO 800. From ISO 800 onwards the cameras' varying noise characteristics become more visible. The Pentax K-x does a very impressive job up to the highest sensitivities, balancing noise reduction and the retention of fine detail very well. Its output shows slightly more luminance noise (grain) than the Nikon D5000 but in turn blurs visibly less detail at higher sensitivities. The K-x's detail retention is better than the Canon's as well. The latter also shows noticeably more chroma noise. At higher sensitivities the K-x shows a little more luminance noise than the Nikon and a similar amount to the EOS 500D. However, noticeably more detail is retained and the Pentax's results look visibly sharper. All in all the K-x's JPEG engine is doing a very decent job. Surprisingly at high ISOs the camera is a lot better than its bigger brother, the K-7, and is one of the currently best performing APS-C cameras in low light."

06-01-2010, 06:20 PM   #35
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I did over the top research of these three cameras. Ireally am happy that I choose the K-x.
06-01-2010, 06:26 PM   #36
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imaging- resource allows extensive camera vs camera comparisons in different lighting circumstances, there is another site which I forget, but have seen links to from this site that does more scientific testing for dynamic range etc. On those tests, the K-x is right up there with much more expensive cameras, d5000 ranks similarly, the t1i was way down in the rankings in all categories that they tested.
06-01-2010, 06:51 PM   #37
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QuoteOriginally posted by Genshu Quote
there is another site which I forget, but have seen links to from this site that does more scientific testing for dynamic range etc. On those tests, the K-x is right up there with much more expensive cameras, d5000 ranks similarly, the t1i was way down in the rankings in all categories that they tested.

Perhaps you're thinking of DxOMark's camera Rankings?
have to select APS-C sensor format to compare......

" Essentials about the DxOMark Sensor scale:

1. DxOMark Sensor measures only the RAW image quality of a digital camera; therefore, DxOMark Sensor is NOT an evaluation of overall camera image quality or performance.
2. DxO Mark Sensor is a logarithmic scale in which a 5-point increase corresponds to a sensitivity gain of 1/3 of a stop.
3. Resolution is NOT factored into the DxOMark Sensor ranking.
"

So they are only comparing RAW sensor image quality.
06-01-2010, 07:00 PM   #38
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This link is very good and comparing similar camera.
Outsatnding for the K-X

http://www.dxomark.com/index.php/eng/Image-Quality-Database/Compare-cameras/%28appareil1%29/345|0/%28appareil2%29/350|0/%28appareil3%29/331|0/%28onglet%29/0/%28brand%29/Pentax/%28brand2%29/Canon/%28brand3%29/Nikon


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