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10-04-2011, 04:33 AM   #1
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Q test with images and high iso test pictures

Pentax Q - Heime
The test is in Norwegian. Sorry about that, but Bing or Google makes a decent job of translating it. A link to high iso images is at the bottom of the blog text and the same as this: Foto Album
These high iso images are saved in DNG format and converted to jpg by Lightroom without applying any additional noise reduction except for the ISO6400 image. For that one I have applied +25 on the luminance smoothing scale.

Translated by Google:
Google Translate


Translated by Bing:
www.heime.org/Lists/Posts/Post.aspx?ID=86 - Translator


Last edited by StigVidar; 10-04-2011 at 04:46 AM.
10-04-2011, 05:28 AM   #2
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Did not even bother with Google translate.

I just looked over those beautiful photos and let them tell the story.

Thanks for sharing.
10-04-2011, 06:46 AM   #3
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These look very good, all things considered. One could pixel peep them to death but the Q does OK here.
10-04-2011, 08:25 PM   #4
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QuoteOriginally posted by pinholecam Quote
Did not even bother with Google translate.

I just looked over those beautiful photos and let them tell the story.

Thanks for sharing.
Just to be clear that all those images, apart from two are taken at ISO125. the other two are ISO160 and ISO1600. So that is ONE pic at ISO1600.


I agree they are great pics though, but that is down to the photographer, his eye and his PP. It just goes to show you don't need a HQ camera to take great pics

10-04-2011, 10:53 PM   #5
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QuoteOriginally posted by Smeggypants Quote
Just to be clear that all those images, apart from two are taken at ISO125. the other two are ISO160 and ISO1600. So that is ONE pic at ISO1600.


I agree they are great pics though, but that is down to the photographer, his eye and his PP. It just goes to show you don't need a HQ camera to take great pics
No, there is a link to ISO125, ISO800, ISO1600, ISO3200 and ISO6400 images.
10-04-2011, 11:03 PM   #6
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there's only 1 link to iso1600, with a majority being iso125, referring to the Pentax Q - Heime
10-04-2011, 11:29 PM   #7
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QuoteOriginally posted by holycow Quote
there's only 1 link to iso1600, with a majority being iso125, referring to the Pentax Q - Heime
No, there isn't. Try the "Foto Album" link in the OP.
10-04-2011, 11:53 PM   #8
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How's this for high ISO? Just a snap in a room lit by a single 100W EQ compact fluorescent. ISO 3200, shot in jpeg ***, high ISO NR set to Low, in-camera sharpening at -4.

Some playing showed me that Auto and the upper levels of high ISO NR were a bit too smearing and the sharpening accentuated both the chroma and luminance noise, so I minimized both of these and usually use Topaz DN and IF instead in post. The standard prime is pretty good, even wide open, so it really doesn't need the edge contrast boost to appear sharp.

#1 is just color corrected for the very orange light source and resized in one step to 800 on the long side, #2 is a 100% crop before resizing. IMO, the resize alone is good enough for web viewing without any further PP. For some reason the upload stripped the exif from the crop. . .I tried it 3 times.

I think it's pretty impressive performance from the little sensor. I really didn't expect 3200 to be this usable in jpeg, and expected to have to go to RAW past 1280, but for now at least, 3200 is my upper setting for Auto ISO for the Q when I use it, and I can still shoot jpegs primarily for the whole range if I want.

Scott

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10-05-2011, 02:31 PM   #9
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I agree, pretty impressive for the sensor size. I want to get the Q to replace my W90, I want something compact, but can do a lot of what my K-5 does. Might wait just a little to see it the price comes down. Overall, from what I have seen, it looks like a winner for Pentax!
10-05-2011, 08:23 PM   #10
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Tusen Takk, Stig!

Good review, and the Q do look very promising. Wonder how my Cosmicar (Pentax made) 12mm f1.2 C-mount television lens would do on that camera. Probably razor sharp in the center, and fuzzy in the corners as these lenses are usually not optimized for sharpness all over the image.
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