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Sigma DP2 Merrill: Have any of you tried it?
  
 
neilvan
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p.53 #1 · p.53 #1 · Sigma DP2 Merrill: Have any of you tried it?


nandadevieast wrote:
How do you go to QS2 from QS1 in the QS menu?
QS = quick setting
Can someone chip in?


Just press QS to toggle between the two screens...



Jan 09, 2013 at 05:54 PM
Luis Cunha
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p.53 #2 · p.53 #2 · Sigma DP2 Merrill: Have any of you tried it?


neilvan wrote:


I am not sure how your friend gave you proper DNG files from the DP2 Merrill. The only way I know of would be 'second-hand' files in the sense that they would have to be converted to TIFF first, then to DNG. Lots of good data thrown away there and not a good representation of what those files really hold.


Neither do I; I donīt know the person. But thats what I got.



Jan 09, 2013 at 06:01 PM
Jede
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p.53 #3 · p.53 #3 · Sigma DP2 Merrill: Have any of you tried it?



Here's an example of the banding problem. Please click here and check the forehead/nose. I used the medium setting here, and it's still clearly visible. 6s shutter time, but still..

I was taking some pictures today in good light, and had to crank the banding removal slider to the middle again to get rid of banding. At 1/40s shutter and ISO100, this really shouldn't occur..



Jan 09, 2013 at 06:41 PM
neilvan
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p.53 #4 · p.53 #4 · Sigma DP2 Merrill: Have any of you tried it?


I just looked at the photo at the 2048 resolution at the link you provided. I must be missing something or I am not looking hard enough.

What is the problem with the forehead/nose area?



Jan 09, 2013 at 06:45 PM
Jede
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p.53 #5 · p.53 #5 · Sigma DP2 Merrill: Have any of you tried it?


Please check the full size image. There are clear visible vertical lines, which I can't get rid of. I checked on two calibrated monitors here

Here's a 200% crop



Edited on Jan 09, 2013 at 06:54 PM · View previous versions



Jan 09, 2013 at 06:47 PM
neilvan
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p.53 #6 · p.53 #6 · Sigma DP2 Merrill: Have any of you tried it?


There isn't a full resolution there, the largest is 2048...


Jan 09, 2013 at 06:48 PM
Luis Cunha
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p.53 #7 · p.53 #7 · Sigma DP2 Merrill: Have any of you tried it?


Just 2048.
I also checked here Eizo Graphic monitor calibrated every week and I see no lines. I see a nice dog ,-) dreaming.



Jan 09, 2013 at 06:52 PM
Luis Cunha
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p.53 #8 · p.53 #8 · Sigma DP2 Merrill: Have any of you tried it?


Maybe, maybe... some vertical dark lines, very fade but no one can tell if itīs banding if its from the floor wood.


Jan 09, 2013 at 06:55 PM
Luis Cunha
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p.53 #9 · p.53 #9 · Sigma DP2 Merrill: Have any of you tried it?


Yep.


Jan 09, 2013 at 06:56 PM
neilvan
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p.53 #10 · p.53 #10 · Sigma DP2 Merrill: Have any of you tried it?


Now that's pixel-peeping! 200%

I will remember to check for lines like this next time I shoot in a poorly lit room for 6 seconds.

Edited on Jan 09, 2013 at 06:59 PM · View previous versions



Jan 09, 2013 at 06:58 PM
 

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Luis Cunha
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p.53 #11 · p.53 #11 · Sigma DP2 Merrill: Have any of you tried it?


As far as could read banding occur with this camera when:
1. itīs working for hours and gets really hot.
2. hot weather; gets really hot too (of course).



Jan 09, 2013 at 06:59 PM
Luis Cunha
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p.53 #12 · p.53 #12 · Sigma DP2 Merrill: Have any of you tried it?


Dr. Bishop ,-)


Jan 09, 2013 at 06:59 PM
Jede
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p.53 #13 · p.53 #13 · Sigma DP2 Merrill: Have any of you tried it?


Maybe I'm picky, but the effect is visible in pretty much every image if banding noise removal is below the middle setting. Single shots, short exposures, outside or indoors etc. Long exposures seem to make the problem worse, and lines can't be eliminated in SPP. It's hard not to pixel peep with this camera


Jan 09, 2013 at 07:02 PM
sculptormic
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p.53 #14 · p.53 #14 · Sigma DP2 Merrill: Have any of you tried it?


Jede wrote:

Please check the full size image. There are clear visible vertical lines, which I can't get rid of. I checked on two calibrated monitors here

Here's a 200% crop

http://www.ananas.fi/temp/SDIM0877.jpg


I' ll see vaquely what you mean only in the background above the dog's head. What ISO? Very dark there.
I never tryed these kind of "portraits' with not much light with the DP2m.

I can see it clearly now



Jan 09, 2013 at 07:32 PM
sculptormic
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p.53 #15 · p.53 #15 · Sigma DP2 Merrill: Have any of you tried it?


It is not a camera for these kind of photographs.


Jan 09, 2013 at 07:34 PM
Luis Cunha
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p.53 #16 · p.53 #16 · Sigma DP2 Merrill: Have any of you tried it?


I see now clearly the lines like this was a print on paper with texture. Vertical lines.
Jede you should share you raw file so we could open it here and see better. Iīve the SPP.



Jan 09, 2013 at 07:36 PM
Luis Cunha
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p.53 #17 · p.53 #17 · Sigma DP2 Merrill: Have any of you tried it?


Even at ISO 100 ,-( isnīt it?


Jan 09, 2013 at 07:37 PM
neilvan
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p.53 #18 · p.53 #18 · Sigma DP2 Merrill: Have any of you tried it?


You might want to get your camera checked then, I haven't experienced what you are detailing at all. Do these lines show up in your prints? (I would put money on it that they don't...)

And yes, it is hard not to look at the detail this camera provides at 100%.



Jan 09, 2013 at 07:44 PM
neilvan
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p.53 #19 · p.53 #19 · Sigma DP2 Merrill: Have any of you tried it?


sculptormic wrote:
It is not a camera for these kind of photographs.


+1

There are better tools out there for that type of photography.



Jan 09, 2013 at 07:45 PM
sculptormic
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p.53 #20 · p.53 #20 · Sigma DP2 Merrill: Have any of you tried it?


neilvan wrote:
You might want to get your camera checked then, I haven't experienced what you are detailing at all. Do these lines show up in your prints? (I would put money on it that they don't...)

And yes, it is hard not to look at the detail this camera provides at 100%.


I have never encountered this banding as well.



Jan 09, 2013 at 07:46 PM
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