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11-12-2014, 04:51 PM   #1
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K-5 vs K-5 IIs is there an appreciable difference?

I'm sure that this has been discussed before but for those that have actually owned both....did you notice any real difference due to the lack of an AA filter on the K-5 IIs?
The reason I'm asking is that prices are dropping on the K-5 IIS and I'm considering picking one up....although we haven't gotten to the black friday deals yet so I'm still on the fence.
There may be some killer deals on the K-3 coming up that may be very tempting...

11-12-2014, 04:53 PM   #2
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Not sure, but I think the big difference (at least for me) may be the autofocus, for which the difference is even more pronounced in the K-3.
11-12-2014, 05:10 PM   #3
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The important K-5 vs K-5II differences were that K-5 II AF improved a few things (eg much better low-light metering), and solved a few annoying K-5 problems (eg front-focus under tungsten). Lack of a low-pass filter in the K-5IIs was just icing on the cake.

K-3 further improves on the K-5 II AF, and improves exposure metering too. K-3 dual card support and extra frames per second speed are also notable.
11-12-2014, 05:14 PM   #4
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There were improvements in quite a few areas but I think the consensus was that they were not enough to upgrade from k-5. K-3 has all the k-5IIs upgrades and much more.

At this point IMHO go with k-3 if possible.

11-12-2014, 08:41 PM   #5
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I decided it was worth upgrading from the K 5 to the K 5 IIs. The improved auto focus, but above all the improvement in image quality attendant upon the removal of the anti-aliasing filter were my motives.
11-12-2014, 09:23 PM   #6
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So far the lens release button has not dropped off my K-5IIs. For me that is good enough to upgrade.
11-12-2014, 10:56 PM   #7
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The biggest differences will be when you use premium lenses, with normal kit or regular lenses you wont see that much.. but with premium the images will be sharper. Besides that the biggest improvement will be in AF, specially during low light.

K3 goes further.. dual card, even better AF, buttons changed, video features changed, resolution, etc...

If you can.. go for the K3..
11-13-2014, 01:12 AM   #8
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If you are ever interested in doing Infrared photography the AA filter does interfere with IR light and causes astigmatism* towards the periphery of the frame with certain lenses.


* tested a DA15mm f/4 Limited with the Hoya R720nm filer, on the Pentax K5 and the Pentax K5IIs.

11-13-2014, 03:10 AM   #9
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The back LCD screen is also upgraded. It is nice on K5II/s and just adorable on the K3.
11-13-2014, 07:54 AM   #10
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QuoteOriginally posted by kooks Quote
The biggest differences will be when you use premium lenses, with normal kit or regular lenses you wont see that much.. but with premium the images will be sharper. Besides that the biggest improvement will be in AF, specially during low light.

K3 goes further.. dual card, even better AF, buttons changed, video features changed, resolution, etc...

If you can.. go for the K3..
The change in video functionality was mostly a negative one... it gives you more control now, but the picture quality is not as good, and you need more (expensive) gear to get decent video out of it (i.e. you need to stabilize the camera, whereas before the camera did that itself pretty well).


For me the K-5 IIs is the pinnacle of Pentax cameras, it is as good as it ever got, when considering both stills and video.


As long as all you're doing is stills though, the K-3 is a great camera, and might be more worth it, unless you are particularly unhappy with the K-5 AF and maybe the screen but want everything else to be pretty much the same.
11-13-2014, 08:06 AM   #11
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The improved autofocus was enough to get me to switch.

Both my K-5 bodies suffered from "focus drift" when using fast lenses, so I sold them and bought two K-5II bodies (not 's' version). I can attest that the phase detect autofocus in the K-5II when using lenses f2 and faster (FA Ltds, FA 35/2 and FA 50/1.7 in my case) is a significant improvement over the K-5, not only in low light but in all situations. The K-5II live view CDAF produces similar results to the K-5. But I could not be happier with my upgrade to the K-5II, and I'm absolutely positive you will not be disappointed by the improved AF performance of the K-5IIs.

For more confirmation see these threads...

Last edited by Gray; 11-13-2014 at 08:24 AM.
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