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02-26-2008, 01:00 PM   #1
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K20 low iso

I just picked up my K20 at the local shop. With all the talk of how good the high ISO was I have been worried about low ISO performance, so that was the first thing I did. I'll post something later, when I have something better than a shot of my son's backyard play toys. For now I just wanted to say that this is a fantastic tool! The flexibility of the controls is even better than the K10. Jpegs right out of the camera are very sharp and colorful. ISO 100 is beautiful with good detail in shadows. I can't wait to get a model in front of it.

02-26-2008, 02:16 PM   #2
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Now, THAT's the kind of response I'm loooking for!
02-26-2008, 04:08 PM   #3
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Good to hear. What way are the controls better? Can't wait for mine to arrive. Anything change that you weren't expecting?
thanks
barondla
02-26-2008, 04:26 PM   #4
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dave, you've probably seen this one
ph orchid - ISO 100 -2.jpg photo - karen clanin photos at pbase.com
taken at ISO 100, the 'previous' one was at ISO 200.

there's a few others but most since thursday were taken at ISO 400 due to the overcast/rainy weather we were having. finally some sunshine .....

looking forward to seeing your K20D photos.

kasey

02-26-2008, 05:11 PM   #5
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Can't wait to see some of your pics Dave, Beautiful orchid Kasey (do you grow them?) - I love my k10d but the extra cropability(?) and extra iso ability would really be great for me. Might just sell my k100super, my wife wouldn't understand three bodies
02-26-2008, 08:37 PM   #6
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Got my K20 Today

Hi Folks,
I upgraded from a K100D and all I can say is this is an awsome camera.
It is gonna be a way better photographer than I will ever be.
It focuses way faster than My K100D to.
these are with no post processing
here are some samples of low light high ISO no flash from it. My K100D would just puck on these
Example at ISO 6400
http://www.cajunrides.com/k20d/ISO6400.jpg
example at ISO3200
http://www.cajunrides.com/k20d/ISO3200.jpg
example at ISO1600
http://www.cajunrides.com/k20d/ISO1600.jpg
example at ISO800
http://www.cajunrides.com/k20d/ISO800.jpg

Last edited by woodyga; 02-29-2008 at 09:38 AM.
02-26-2008, 09:48 PM   #7
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can i ask what lens you used?


kasey
02-26-2008, 10:05 PM   #8
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Woody, I think those are out of order? The 6400 is best, and the 1600 is the worst. What happened to the EXIF?

02-27-2008, 03:18 AM   #9
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What noise reduction settings did you use for the 3200 and 6400 shots? They are pretty impressive, and still retain a good deal of detail.

[edit]I downloaded the ISO 3200 and ISO 6400 images and applied a bit of unsharpen mask in PS. They sharpen right up without adding noise artifacts. The ISO 6400 shot with what ever noise reduction setting the OP used, sharpened, looks better than the ISO 1600 shot as posted. Quite impressive.

Last edited by roscot; 02-27-2008 at 05:05 AM.
02-27-2008, 08:35 PM   #10
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sorry folks for the slow reply,

Heres some more samples. No post processing this is just what the camera put out!

Pentax K20D 55mm 1/30 F8 ISO6400 anitshake off noise reduction HIGH
Lens Tamron 28-200 1:3.8 5.6 AF XR
[img] http://www.cajunrides.com/k20d/k2d_6400.jpg[img]

Pentax K20D 55mm 1/15 F6.3 ISO3200 anitshake off noise reduction HIGH
Lens Tamron 28-200 1:3.8 5.6 AF XR
[img] http://www.cajunrides.com/k20d/k2d_3200.jpg[img]


Pentax K20D 55mm 1/8 F6.3 ISO1600 anitshake off noise reduction HIGH
Lens Tamron 28-200 1:3.8 5.6 AF XR
[img] http://www.cajunrides.com/k20d/k2d_1600.jpg[img]


Pentax K20D 55mm 1/4 F6.3 ISO800 anitshake off noise reduction HIGH
Lens Tamron 28-200 1:3.8 5.6 AF XR
[img] http://www.cajunrides.com/k20d/k2d_0800.jpg[img]



I think Im gonna love this camera for a long time. I was on the fence and almost bought a Canon 40D. I had one in my hand at best buy and was very impressed with its fast focus.
Im now glad I decided to stay with Pentax. I must admit it sure eats up a memory card when you shot in raw. On my K100D I shoot raw all the time because it cant seem to get the white balance right. With the K20D I can shoot in jpeg and it gets the W/B right 99% of the time.
My post processing time is gonna go way down.

Im just a hobbiest photographer (vacations, family, Grand Kids and stuff) But I want high quality and this camera gives it and then some.

Hope this helps those of you that are on the fence like I was.

Woody,
02-27-2008, 08:46 PM   #11
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I get a error page when I click on the links.
02-27-2008, 08:57 PM   #12
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Nothing fancy, I took my new K20D to lunch today ;-) Here is a shot at iso 100 with my 31mm F1.8 @ F8. Shot in RAW DNG & converted to jpg in Lightroom.

resized original:


100% crop:
02-27-2008, 09:22 PM   #13
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Sorry it took me so long to get back to this thread. I did a rudimentary shot in my den to show ISO under controlled lighting, which is where I prefer to shoot. Shot is a 100 ISO, 6 MP jpeg straight out of the camera, not post at all, just resized for web. Flickr seems to have rotated it for some reason.



Here is a 100% crop from the shadow area near the top....



Shadow detail is fantastic! I have been shooting RAW+jpeg with the jpegs set at 6mp, just so I can have quick access to finished photos. The full res RAW shots have the same look as far as DR, noise, etc. They do have more detail than the 6mp jpegs, obviously, but the sharpness is about the same on screen.
02-27-2008, 09:59 PM   #14
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Dave how did you shoot a 6 MP jpeg straight out of the camera with a K20D.

WoodyGA I know your new here but please ask someone how to post pictures here, we would sure like to see them.
02-27-2008, 10:05 PM   #15
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QuoteOriginally posted by Fl_Gulfer Quote
Dave how did you shoot a 6 MP jpeg straight out of the camera with a K20D.

WoodyGA I know your new here but please ask someone how to post pictures here, we would sure like to see them.
You can do the same with the K10D or K100D, under Image Quality/Size in the menu.
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