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Sigma DP2 Merrill: Have any of you tried it?
  
 
Herb1911
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p.18 #1 · p.18 #1 · Sigma DP2 Merrill: Have any of you tried it?


With and without correction for purple/green shifts.
The difference is very slight.
How important this is is a very personal matter as anything in making images.
Both images are at base SPP Standard with my custom tone-curve / color adjustments in Lightroom as posted earlier.
Herb






without correction






with correction




Oct 18, 2012 at 06:27 PM
Hulyss Bowman
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p.18 #2 · p.18 #2 · Sigma DP2 Merrill: Have any of you tried it?


.

Edited on Nov 27, 2012 at 01:13 PM · View previous versions



Oct 18, 2012 at 07:25 PM
Herb1911
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p.18 #3 · p.18 #3 · Sigma DP2 Merrill: Have any of you tried it?


Thanks Hulyss Bowman...for the girls




Oct 18, 2012 at 07:46 PM
Bobu
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p.18 #4 · p.18 #4 · Sigma DP2 Merrill: Have any of you tried it?


Last weekend I did a short comparison between my Leica M9 and my new DP2M. You will find the complete test report and a description of the test conditions in my blog on wild-places.com

Here are some examples:

DP2M, f/2.8, cropped to field of view of 50mm lens:






M9 with Summilux 50mm Asph, f/2.8, whole image:






DP2M, f/5.6, cropped to field of view of 50mm lens:






M9 with Summilux 50mm Asph, f/5.6, whole image:






DP2M, f/2.8, 100% center crop:






M9 with Summilux 50mm Asph, f/2.8, 100% center crop:






DP2M, f/5.6, 100% center crop:






M9 with Summilux 50mm Asph, f/5.6, 100% center crop:






DP2M, f/2.8, 100% edge crop:






M9 with Summilux 50mm Asph, f/2.8, 100% edge crop:






DP2M, f/5.6, 100% edge crop:






M9 with Summilux 50mm Asph, f/5.6, 100% edge crop:







Oct 18, 2012 at 07:46 PM
Herb1911
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p.18 #5 · p.18 #5 · Sigma DP2 Merrill: Have any of you tried it?


Bobu,
Please throw away the Leica

... you will have to tune your DP2M files a bit for naturalness.

Herb



Oct 18, 2012 at 07:51 PM
andyjaggy82
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p.18 #6 · p.18 #6 · Sigma DP2 Merrill: Have any of you tried it?


The DP2M is just mind blowingly sharp, even on those 100% edge crops. I think this camera, despite all it's quirks, is going to be a classic.


Oct 18, 2012 at 07:59 PM
Bobu
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p.18 #7 · p.18 #7 · Sigma DP2 Merrill: Have any of you tried it?


Herb1911 wrote:
... you will have to tune your DP2M files a bit for naturalness.

Herb


What would you suggest to "tune for naturalness" (on the first image, not the crops)?
Saturation, contrast, some colors, ....?

Boris



Oct 18, 2012 at 08:06 PM
Herb1911
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p.18 #8 · p.18 #8 · Sigma DP2 Merrill: Have any of you tried it?


Bobu wrote:
What would you suggest to "tune for naturalness" (on the first image, not the crops)?
Saturation, contrast, some colors, ....?

Boris


Hello Boris,

Thanks for posting the images of your review here. Your blog post was very informative and very well written.

As regarding the DP2M images I am in the learning process as well.
Regarding sharpening I settled for -1.2 in SPP. Then in Lightroom I sharpen 5 to 10 - 0,5 - 25 - 50.
And for web posting I do no further sharpening which is important I have noticed.
This gives me the most natural rendition of very fine detail right to infinity and still showing advantage over Bayer sensors.

I also try to get the colors I like. That means as natural as possible with a slight boost across the complete spectrum. During the last days I posted here some Lightroom presets for SPP tiffs that have a Standard color setting.

If you have any question I am glad to share to get these Merill's to provide optimized files.

Herb



Oct 18, 2012 at 08:29 PM
AhamB
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p.18 #9 · p.18 #9 · Sigma DP2 Merrill: Have any of you tried it?


@Boris: Interesting comparison crops with the M9. The DP2M crops looks more like drawings than photographs to me.


Oct 18, 2012 at 08:42 PM
corposant
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p.18 #10 · p.18 #10 · Sigma DP2 Merrill: Have any of you tried it?


Bobu wrote:
Last weekend I did a short comparison between my Leica M9 and my new DP2M. You will find the complete test report and a description of the test conditions in my blog on wild-places.com


This is the first time I have ever seen "Best Aperture" determined scientifically rather than visually. Ingenious.



Oct 18, 2012 at 08:47 PM
 

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Hulyss Bowman
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p.18 #11 · p.18 #11 · Sigma DP2 Merrill: Have any of you tried it?


.

Edited on Nov 27, 2012 at 01:14 PM · View previous versions



Oct 18, 2012 at 09:13 PM
Hulyss Bowman
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p.18 #12 · p.18 #12 · Sigma DP2 Merrill: Have any of you tried it?


.

Edited on Nov 27, 2012 at 01:14 PM · View previous versions



Oct 18, 2012 at 09:54 PM
Herb1911
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p.18 #13 · p.18 #13 · Sigma DP2 Merrill: Have any of you tried it?


Hulyss Bowman wrote:
mmmm, you bring out some more question, Herb. I should look at this problem in the sky, as you say. I seen that the neutral mode "wrong" a bit the WB. Do you try custom WB when shooting outside ?? It should help.


Hulyss, all shots seen here have been white balanced and exposed for the fourth grey patch from the left.
This is 50% grey.

I do not custom WB for landscape as this is almost useless in practice. Therefore I never shoot jpg. I do my WB behind the computer on the raw file.

Herb



Oct 18, 2012 at 10:04 PM
Hulyss Bowman
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p.18 #14 · p.18 #14 · Sigma DP2 Merrill: Have any of you tried it?


.

Edited on Nov 27, 2012 at 01:14 PM · View previous versions



Oct 18, 2012 at 10:06 PM
timpdx
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p.18 #15 · p.18 #15 · Sigma DP2 Merrill: Have any of you tried it?


Look at what UPS just delivered (but I will spare you the unboxing ceremony)

http://






Oct 18, 2012 at 10:13 PM
zhangyue
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p.18 #16 · p.18 #16 · Sigma DP2 Merrill: Have any of you tried it?


corposant wrote:
This is the first time I have ever seen "Best Aperture" determined scientifically rather than visually. Ingenious.


I also use that as indication for detail when I do infinity sharpness test but the problem for M9 is I am not sure I am in best focus with particular lens as there is no LV. My 50lux calibrated well after service, but I still found it past infinity.

So, Babu, how is your 50lux and M9 setting, were you able to focus bracket to confirm focus?

As for corner sharpness of M9, I am very curious to know that is it from lens itself or FF sensor corner issue due to angle of ray. I believe if you shoot them in raw and apply smart sharpening, the M9 will looks better at least will benefit more from sharpening as Sigma is really pretty good as is, very impressive!




Oct 18, 2012 at 10:15 PM
Mescalamba
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p.18 #17 · p.18 #17 · Sigma DP2 Merrill: Have any of you tried it?


AhamB wrote:
@Boris: Interesting comparison crops with the M9. The DP2M crops looks more like drawings than photographs to me.


NR from SPP tends to do this. Also responsible for greens looking like brown mush sometimes.

DP2M in theory is near perfect, in practice some better RAW developer would be nice..



Oct 19, 2012 at 02:09 AM
Tariq Gibran
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p.18 #18 · p.18 #18 · Sigma DP2 Merrill: Have any of you tried it?


Mescalamba wrote:
NR from SPP tends to do this. Also responsible for greens looking like brown mush sometimes.

DP2M in theory is near perfect, in practice some better RAW developer would be nice..


That look is due to the pretty severe default sharpening when set to 0 in SPP imo. Even though he tested a few different techniques, he ended up going with this for the comparison according to his blog:

"For the following comparsions Iíve used the following settings for my DP2M images: SPP sharpness=0 and LR sharpness=10/0.7/100 and for my Leica M9 images: LR sharpness=50/0.7/100."

-2 is off and 0 is way overboard and will show that strange lithographic type effect, particularly when combined with even further sharpening as in this case. I'm really not sure why he went with such an extreme over-sharpening routine but it definitely results in an unnatural look. I have been using -1 in SPP which is already pretty strong and requires no additional sharpening. I'm sure I will end up using less than that even with files that I plan to do further PP on.



Oct 19, 2012 at 02:36 AM
millsart
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p.18 #19 · p.18 #19 · Sigma DP2 Merrill: Have any of you tried it?


One can think of SPP as being a free copy of Topaz Adjust or Lucis Art lol

Between the very high micro contrast, sharpening and X3 fill light, you can easily over do it and get that very synthetic, illustrated hyper reality look those software are known for.



Oct 19, 2012 at 03:05 AM
Bobu
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p.18 #20 · p.18 #20 · Sigma DP2 Merrill: Have any of you tried it?


Tariq Gibran wrote:
That look is due to the pretty severe default sharpening when set to 0 in SPP imo. Even though he tested a few different techniques, he ended up going with this for the comparison according to his blog:

"For the following comparsions Iíve used the following settings for my DP2M images: SPP sharpness=0 and LR sharpness=10/0.7/100 and for my Leica M9 images: LR sharpness=50/0.7/100."

-2 is off and 0 is way overboard and will show that strange lithographic type effect, particularly when combined with even further sharpening as in this case. I'm really not sure why he went with such an
...Show more

Tariq, please do the comparison with the settings I suggested:
1. SPP=0, LR LR=10/0.7/100
vs.
2. SPP=-2, LR=25/0.7/100
Do you really see a big difference between these two alternatives?
I agree, that the 100% crops can look a bit strange with these settings, but the whole image looks good and not oversharped in my opinion.


Boris



Oct 19, 2012 at 05:04 AM
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