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01-24-2011, 08:09 PM   #1
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From K100DS to K10D: Go for it?

I'm using K100DS and really contented. ..and there it is, a K10D for $350 'hanging' on my local 'craiglist'. Is this really worth it?

01-24-2011, 09:43 PM   #2
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I own both. The K10 was my first DSLR, later I got a K20 then, the K100ds which I've used and then have gotten it converted to IR. I found the k100ds to be a nice camera but it was a step backwards in controls. Image quality wise, I've gotten good results from both the k10 and k100ds. I've read that others feel that the k100ds at times is the better of the two (low light for example as I recall). Personally, I wouldn't make this jump. I'd try for a used K-x or K20, if I really wanted to upgrade.

Don't get me wrong, I love my k10, but now I look at it as a back up and not that much of an upgrade and later Pentax DSLRs.
01-24-2011, 10:03 PM   #3
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What does it offer you that you're missing on the K100DS?

I have the K10D and the K100D, and to be honest, the image quality of the K100D is as good as that of the K10D; you will gain some MPs which can be worth it. At high ISO the K100D beats the K10D in my opinion.

Dual dial? I don't miss it on the K100D as I mostly use Av and/or pre-A lenses.
Easy switching between spot/center-weight/multi-segment light meter; yes, that I do miss on the K100D.
Weather sealing? Gives more confidence (with or without a WR lens).

So the K10D will be an upgrade mostly but maybe not worth the extra outlay.

PS I bought a refurbished K100D as a backup for the K10D
01-25-2011, 06:40 AM   #4
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QuoteOriginally posted by minahasa Quote
I'm using K100DS and really contented. ..and there it is, a K10D for $350 'hanging' on my local 'craiglist'. Is this really worth it?
Go for a k20D if you can. Better AF and sensor than the K10D

01-25-2011, 06:49 AM   #5
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If you don't NEED the MP / WR / Grip availability (or any other features K100d doesnt have), no.

While K10D have a certain quality to the pictures that K100D (or any other camera) doesnt have, You'll be better served saving that $350 for a limited or K-r/K-x/K-5.

I personally bought K10D despite owning K100 because it was an irresistible deal at the time. I wanted to try out WR & I often feel the need for a bit more MP. Now that I have the K-x too I feel as if the K10D is a bit behind it. I like handling K10D way more than K-x but I always think that K-x is the more potent camera in my arsenal.

K10D rendering at iso100 IS indeed super nice though.

Last edited by Andi Lo; 01-25-2011 at 10:31 AM.
01-25-2011, 07:00 AM   #6
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I went from a K100DS to a K-5. I almost jumped on the K-7 when it came out but I didn't see a need, or the quantum leap forward that would have constituted a true upgrade. I ran with my K100DS for about 4 years and even got two pics into the PPG with it. I love that camera. However once I saw the specs of the K-5 I knew it would be my next camera. The difference in capability and performance is quite large going to a K-5 and I couldn't be happier with my decision to upgrade.
01-25-2011, 08:58 AM   #7
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This is something that I have been trying to decide for myself over which route to go from my K100D.
I did rule out the K10D over its noise issue and limited to 1600 iso, but I have always wondered how the K20D/K-7 compared to the K100D for noise at same ISO (when the images are resized to match)
05-29-2011, 04:49 AM   #8
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My only DSLR is K100DS. The most frustrating issue I have had with it is that the mount is the CRIPPLED KAF2 mount, which only allows use of manual K-mount lenses in wide open aperture. A local camera shop sales person (who also does camera repairs) seemed unaware of this variant of the mount. I have noticed noise in images which is intrusive at ISO1600 and 3200, but I would use 1600 if I can accept the grainy aesthetic. I find 3200 to be virtually useless. Overall I have been quite happy with the K100DS since I got it in late 2008, but I feel I would like to move up the market sometime to one of the newer models. But that means waiting for the money.

05-29-2011, 05:52 AM   #9
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QuoteOriginally posted by tim60 Quote
My only DSLR is K100DS. The most frustrating issue I have had with it is that the mount is the CRIPPLED KAF2 mount, which only allows use of manual K-mount lenses in wide open aperture.
It's been a while since I had a K100Ds, but mine would work with M lenses. Have you allowed the use of the aperture ring in the menu? IIRC, I shot manual lenses in M mode, Auto mode won't work. I would select an aperture, frame and focus, then push the small button near the shutter release, toward the center of the camera (I think), to get a meter reading and shoot. I forget what that button was labeled. Try it on your K100Ds, it might work.
05-30-2011, 04:57 AM   #10
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Reply to gp1806

Thanks for trying, but I was unable to get it to work. In my first post I referred to a local camera salesman who does repairs. He showed me a K20D body which had a menu function (under Custom Settings) which would enable normal diaphram action with old M lenses, but on the K100DS I was unable to find that menu function.

I looked at the camera. I set it to M, and saw the only button near the shutter release was the Av button, which does not affect the diaphragm. There is no control on the fron or left which could do the trick, and the controls on the back are all multi-function buttons, which makes it hard to experiment.

I distinctly remember the mount being described as the KAF2 'crippled' referring to the fact that it is not properly backwards compatible with the original k-mount lenses, which is sad, becasue that is what I bought when I was first interested in photography. I had 3 lenses then - Pentax 50/2 (beautiful), Osawa 80-205 (I always liked it), and Tamron 28-50 (which got a little dirt under the zoom ring at Marree - and I never really liked). I think I like the tele and normal perspective. So this is driving my interest in acquiring the old Takumar m42's which I can use properly, and also my interst in getting a better body, one day.
05-30-2011, 05:09 AM   #11
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But ALL of the pentax dslr have the crippled mount?
" KAF2 (without coupling for aperture ring) "
And they should all meter in M with manual lenses.
05-30-2011, 05:34 AM   #12
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QuoteOriginally posted by tim60 Quote
Thanks for trying, but I was unable to get it to work. In my first post I referred to a local camera salesman who does repairs. He showed me a K20D body which had a menu function (under Custom Settings) which would enable normal diaphram action with old M lenses, but on the K100DS I was unable to find that menu function.
It's there. I have a K100D as well, and I use M & A lenses with it. I'm at work at the moment so I don't have my camera handy, but it's under the menu, probably under the "custom settings" section. I remember I had to go in & set it to "use aperture ring" setting. Poke around in there long enough & I'm sure you'll find it.
05-30-2011, 06:10 AM   #13
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@ Tim60.
My daughter is gone to go to a friends wedding, and I have to go to her house to feed the cat. While I'm there I will poke around and see if I can find her K100Ds (she may have taken it with her though) and try it out with a manual lens. I'll report back if I can find the camera.
05-30-2011, 08:26 AM   #14
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QuoteOriginally posted by Scorg Quote
This is something that I have been trying to decide for myself over which route to go from my K100D.
I did rule out the K10D over its noise issue and limited to 1600 iso, but I have always wondered how the K20D/K-7 compared to the K100D for noise at same ISO (when the images are resized to match)
I tested the K100D Super vs K20D for noise performance. With noise reduction off, at the same resolution, the K20D was 2/3 stop better. From my readings on the net, the K-7 appears to be about 1/3 to 1/2 stop behind the K20D. I have a K-x and it's about 2/3 stop better at high ISO than the K20D, but I much prefer the K20D's features and I also prefer the look of K20D images.

I skipped the K10D partly because of noise performance, but mostly because of the many auto-focus issues reported by owners.
05-30-2011, 10:50 AM   #15
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@tim60
I tried the daughters K100Ds with a manual lens, and it works fine. Sorry, I told you wrong, the button that will meter a manual lens is the AE-L button on the back of the camera near your thumb. The menu for permitting aperture use is in custom settings, third screen. Just navigate to the custom settings menu and keep pressing the down arrow until the third screen comes up, it is near the bottom.
From a DL, to a K100DS, then a K200D, and now a K-R, the old memory starts to get fuzzy.
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