Re: K20 mojo

2009-07-21 Thread David J Brooks
On Mon, Jul 20, 2009 at 10:01 PM, Larry Colenl...@red4est.com wrote:
 On Mon, Jul 20, 2009 at 09:41:58PM -0400, paul stenquist wrote:

 This is an apples to oranges comparison. And it will remain that

 Same subjects, same light, same lenses, same place, same ISO.

 regardless of how much processing you do. If you want to compare the
 cameras, do a controlled test. However, I would be surprised if the

 I will indeed need to do a controlled test. Prefereably using another
 K20 also to compare mine with.


Hope you find your setting solutions quicker than I have for my D200.
Three years and still playing with the dials and settings.

Dave


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www.caughtinmotion.com
http://brooksinthecountry.blogspot.com/
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Re: K20 mojo

2009-07-21 Thread David J Brooks
On Tue, Jul 21, 2009 at 5:57 AM, David J Brookspentko...@gmail.com wrote:

 Hope you find your setting solutions quicker than I have for my D200.
 Three years and still playing with the dials and settings.

 Dave

Mind you, I normally shoot jpegs, so this could be part of the problem.

Dave


 --
 Documenting Life in Rural Ontario.
 www.caughtinmotion.com
 http://brooksinthecountry.blogspot.com/
 York Region, Ontario, Canada




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http://brooksinthecountry.blogspot.com/
York Region, Ontario, Canada

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Re: K20 mojo

2009-07-21 Thread Thibouille
Note that 1.02 is the latest for k100D  (SDHC compatibility Update
only but who knows with Pentax).

On Tuesday, July 21, 2009, Larry Colen l...@red4est.com wrote:
 On Mon, Jul 20, 2009 at 10:35:45PM -0400, P. J. Alling wrote:
 Stupid question:  Are you running the latest firmware?

 There are no stupid questions, only stupid people.

 I'm running 1.03 on the K20D and 1.00 on the K100.


 --
 The first step is learning to take great photos,
 the second step is learning to throw away ones that are merely good.
 Larry Colen             l...@red4est.com            http://www.red4est.com/lrc


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Re: K20 mojo

2009-07-21 Thread P. J. Alling

That's the latest.  It's probably not a firmware problem.

Larry Colen wrote:

On Mon, Jul 20, 2009 at 10:35:45PM -0400, P. J. Alling wrote:
  

Stupid question:  Are you running the latest firmware?



There are no stupid questions, only stupid people.

I'm running 1.03 on the K20D and 1.00 on the K100.


  



--


The free man owns himself. He can damage himself with either eating or 
drinking; he can ruin himself with gambling. If he does he is certainly a damn 
fool, and he might possibly be a damned soul; but if he may not, he is not a 
free man any more than a dog.

--G. K. Chesterton


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K20 mojo

2009-07-20 Thread Larry Colen
I've had the gut feeling that the image quality of my K20 isn't up to
par. As a matter of fact, in low light situations, it my not even be
as good as my K100.

I did an informal test, shooting with both cameras at a dance Friday
night. The K20 was shot at 3200, 1600 and 800. The performance shots
were taken at 1600 with a flash

The K100 was shot at 800, pushing it a stop or two in post processing.

The only processing done to the shots was throwing away the totally
bad ones and auto tone in lightroom, with a couple of the pre
greycard shots white balanced, most of the shots are in camera custom
white balance. They were all shot raw and processed to 1000x800 in
lightroom.

These are the two sets. Comments on the photography are welcome, but
would more reflect the lack of editing, comments on the apparent
relative performance of the cameras is solicited.

I used the same lenses (31, 50, 77 and maybe 40) on both cameras,
mostly at f/1.8 or thereabouts. I mostly used the 50 and the 77. If
you're curious, check the EXIF for details.

k20 shots
http://www.flickr.com/photos/ellarsee/sets/72157621624892293/
K100 shots
http://www.flickr.com/photos/ellarsee/sets/72157621749191672/


-- 
The first step is learning to take great photos, 
the second step is learning to throw away ones that are merely good.
Larry Colen l...@red4est.comhttp://www.red4est.com/lrc


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Re: K20 mojo

2009-07-20 Thread David J Brooks
I can see a difference, and i prefer the K100 series.

Dave

On Mon, Jul 20, 2009 at 2:17 PM, Larry Colenl...@red4est.com wrote:
 I've had the gut feeling that the image quality of my K20 isn't up to
 par. As a matter of fact, in low light situations, it my not even be
 as good as my K100.

 I did an informal test, shooting with both cameras at a dance Friday
 night. The K20 was shot at 3200, 1600 and 800. The performance shots
 were taken at 1600 with a flash

 The K100 was shot at 800, pushing it a stop or two in post processing.

 The only processing done to the shots was throwing away the totally
 bad ones and auto tone in lightroom, with a couple of the pre
 greycard shots white balanced, most of the shots are in camera custom
 white balance. They were all shot raw and processed to 1000x800 in
 lightroom.

 These are the two sets. Comments on the photography are welcome, but
 would more reflect the lack of editing, comments on the apparent
 relative performance of the cameras is solicited.

 I used the same lenses (31, 50, 77 and maybe 40) on both cameras,
 mostly at f/1.8 or thereabouts. I mostly used the 50 and the 77. If
 you're curious, check the EXIF for details.

 k20 shots
 http://www.flickr.com/photos/ellarsee/sets/72157621624892293/
 K100 shots
 http://www.flickr.com/photos/ellarsee/sets/72157621749191672/


 --
 The first step is learning to take great photos,
 the second step is learning to throw away ones that are merely good.
 Larry Colen             l...@red4est.com            http://www.red4est.com/lrc


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www.caughtinmotion.com
http://brooksinthecountry.blogspot.com/
York Region, Ontario, Canada

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Re: K20 mojo

2009-07-20 Thread Rick Womer

If you're shooting JPG, why bother with a grey card???  Kinda like buying a K20 
or K7 and never moving the mode dial out off the green zone.

The whole point of using a grey card is to correct colors in RAW files.  One 
can't correct JPGs very much, or very accurately.

The main difference I see is the sickly green cast in the K100 shots versus 
very strange colors under various colored lights in the K20 shots.

No meaningful comparison possible.

(Was that a Wheatfield-toned post, or what??)

Cheers,

Rick


http://photo.net/photos/RickW


--- On Mon, 7/20/09, Larry Colen l...@red4est.com wrote:

 From: Larry Colen l...@red4est.com
 Subject: K20 mojo
 To: Pentax-Discuss Mail List pdml@pdml.net
 Date: Monday, July 20, 2009, 2:17 PM
 I've had the gut feeling that the
 image quality of my K20 isn't up to
 par. As a matter of fact, in low light situations, it my
 not even be
 as good as my K100.
 
 I did an informal test, shooting with both cameras at a
 dance Friday
 night. The K20 was shot at 3200, 1600 and 800. The
 performance shots
 were taken at 1600 with a flash
 
 The K100 was shot at 800, pushing it a stop or two in post
 processing.
 
 The only processing done to the shots was throwing away the
 totally
 bad ones and auto tone in lightroom, with a couple of the
 pre
 greycard shots white balanced, most of the shots are in
 camera custom
 white balance. They were all shot raw and processed to
 1000x800 in
 lightroom.
 
 These are the two sets. Comments on the photography are
 welcome, but
 would more reflect the lack of editing, comments on the
 apparent
 relative performance of the cameras is solicited.
 
 I used the same lenses (31, 50, 77 and maybe 40) on both
 cameras,
 mostly at f/1.8 or thereabouts. I mostly used the 50 and
 the 77. If
 you're curious, check the EXIF for details.
 
 k20 shots
 http://www.flickr.com/photos/ellarsee/sets/72157621624892293/
 K100 shots
 http://www.flickr.com/photos/ellarsee/sets/72157621749191672/
 
 
 -- 
 The first step is learning to take great photos, 
 the second step is learning to throw away ones that are
 merely good.
 Larry Colen         
    ...@red4est.com 
           http://www.red4est.com/lrc
 
 
 --
 PDML Pentax-Discuss Mail List
 PDML@pdml.net
 http://pdml.net/mailman/listinfo/pdml_pdml.net
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 directly above and follow the directions.
 


  

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Re: K20 mojo

2009-07-20 Thread Larry Colen
On Mon, Jul 20, 2009 at 06:01:45PM -0700, Rick Womer wrote:
 
 If you're shooting JPG, why bother with a grey card???  Kinda like buying a 
 K20 or K7 and never moving the mode dial out off the green zone.

I don't (deliberately) shoot JPG.  

 
 The whole point of using a grey card is to correct colors in RAW files.  One 
 can't correct JPGs very much, or very accurately.

Exactly, whichi is why I almost always shoot RAW.

 
 The main difference I see is the sickly green cast in the K100 shots versus 
 very strange colors under various colored lights in the K20 shots.

I tried to get a first approximation by using the custom white balance
in the camera. Lightroom used that as the default when converting the
RAW to JPEG. 

I wanted a quick sanity check to see if my gut feeling that the K20
wasn't performing up to snuff was accurate, so I Just tossed the
really bad photos and did a quick conversion on my way out the door to
work this morning.

 
 No meaningful comparison possible.

I was afraid of that.  I hope to get a chance to spend some time on
them, and post the more heavily processed shots, likely in black and
white. Eventually, I'll have to do some side by side tests, preferably
with another K20.

 
 (Was that a Wheatfield-toned post, or what??)

What is Wheatfieled-toned?

 
 Cheers,
 
 Rick
 
 
 http://photo.net/photos/RickW
 
 
 --- On Mon, 7/20/09, Larry Colen l...@red4est.com wrote:
 
  From: Larry Colen l...@red4est.com
  Subject: K20 mojo
  To: Pentax-Discuss Mail List pdml@pdml.net
  Date: Monday, July 20, 2009, 2:17 PM
  I've had the gut feeling that the
  image quality of my K20 isn't up to
  par. As a matter of fact, in low light situations, it my
  not even be
  as good as my K100.
  
  I did an informal test, shooting with both cameras at a
  dance Friday
  night. The K20 was shot at 3200, 1600 and 800. The
  performance shots
  were taken at 1600 with a flash
  
  The K100 was shot at 800, pushing it a stop or two in post
  processing.
  
  The only processing done to the shots was throwing away the
  totally
  bad ones and auto tone in lightroom, with a couple of the
  pre
  greycard shots white balanced, most of the shots are in
  camera custom
  white balance. They were all shot raw and processed to
  1000x800 in
  lightroom.
  
  These are the two sets. Comments on the photography are
  welcome, but
  would more reflect the lack of editing, comments on the
  apparent
  relative performance of the cameras is solicited.
  
  I used the same lenses (31, 50, 77 and maybe 40) on both
  cameras,
  mostly at f/1.8 or thereabouts. I mostly used the 50 and
  the 77. If
  you're curious, check the EXIF for details.
  
  k20 shots
  http://www.flickr.com/photos/ellarsee/sets/72157621624892293/
  K100 shots
  http://www.flickr.com/photos/ellarsee/sets/72157621749191672/
  
  
  -- 
  The first step is learning to take great photos, 
  the second step is learning to throw away ones that are
  merely good.
  Larry Colen         
     ...@red4est.com 
            http://www.red4est.com/lrc
  
  
  --
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  to UNSUBSCRIBE from the PDML, please visit the link
  directly above and follow the directions.
  
 
 
   
 
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the second step is learning to throw away ones that are merely good.
Larry Colen l...@red4est.comhttp://www.red4est.com/lrc


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Re: K20 mojo

2009-07-20 Thread paul stenquist
This is an apples to oranges comparison. And it will remain that  
regardless of how much processing you do. If you want to compare the  
cameras, do a controlled test. However, I would be surprised if the  
K20 wasn't considerably better. Mine K20D was light years less noisy  
than my *istD and a lot better at rendering color in AWB mode.

Paul
On Jul 20, 2009, at 9:16 PM, Larry Colen wrote:


On Mon, Jul 20, 2009 at 06:01:45PM -0700, Rick Womer wrote:


If you're shooting JPG, why bother with a grey card???  Kinda like  
buying a K20 or K7 and never moving the mode dial out off the  
green zone.


I don't (deliberately) shoot JPG.



The whole point of using a grey card is to correct colors in RAW  
files.  One can't correct JPGs very much, or very accurately.


Exactly, whichi is why I almost always shoot RAW.



The main difference I see is the sickly green cast in the K100  
shots versus very strange colors under various colored lights in  
the K20 shots.


I tried to get a first approximation by using the custom white balance
in the camera. Lightroom used that as the default when converting the
RAW to JPEG.

I wanted a quick sanity check to see if my gut feeling that the K20
wasn't performing up to snuff was accurate, so I Just tossed the
really bad photos and did a quick conversion on my way out the door to
work this morning.



No meaningful comparison possible.


I was afraid of that.  I hope to get a chance to spend some time on
them, and post the more heavily processed shots, likely in black and
white. Eventually, I'll have to do some side by side tests, preferably
with another K20.



(Was that a Wheatfield-toned post, or what??)


What is Wheatfieled-toned?



Cheers,

Rick


http://photo.net/photos/RickW


--- On Mon, 7/20/09, Larry Colen l...@red4est.com wrote:


From: Larry Colen l...@red4est.com
Subject: K20 mojo
To: Pentax-Discuss Mail List pdml@pdml.net
Date: Monday, July 20, 2009, 2:17 PM
I've had the gut feeling that the
image quality of my K20 isn't up to
par. As a matter of fact, in low light situations, it my
not even be
as good as my K100.

I did an informal test, shooting with both cameras at a
dance Friday
night. The K20 was shot at 3200, 1600 and 800. The
performance shots
were taken at 1600 with a flash

The K100 was shot at 800, pushing it a stop or two in post
processing.

The only processing done to the shots was throwing away the
totally
bad ones and auto tone in lightroom, with a couple of the
pre
greycard shots white balanced, most of the shots are in
camera custom
white balance. They were all shot raw and processed to
1000x800 in
lightroom.

These are the two sets. Comments on the photography are
welcome, but
would more reflect the lack of editing, comments on the
apparent
relative performance of the cameras is solicited.

I used the same lenses (31, 50, 77 and maybe 40) on both
cameras,
mostly at f/1.8 or thereabouts. I mostly used the 50 and
the 77. If
you're curious, check the EXIF for details.

k20 shots
http://www.flickr.com/photos/ellarsee/sets/72157621624892293/
K100 shots
http://www.flickr.com/photos/ellarsee/sets/72157621749191672/


--
The first step is learning to take great photos,
the second step is learning to throw away ones that are
merely good.
Larry Colen
   l...@red4est.com
  http://www.red4est.com/lrc


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--
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the second step is learning to throw away ones that are merely good.
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Re: K20 mojo

2009-07-20 Thread Larry Colen
On Mon, Jul 20, 2009 at 09:41:58PM -0400, paul stenquist wrote:

 This is an apples to oranges comparison. And it will remain that  

Same subjects, same light, same lenses, same place, same ISO.

 regardless of how much processing you do. If you want to compare the  
 cameras, do a controlled test. However, I would be surprised if the  

I will indeed need to do a controlled test. Prefereably using another
K20 also to compare mine with.

 K20 wasn't considerably better. Mine K20D was light years less noisy  
 than my *istD and a lot better at rendering color in AWB mode.

My first K20 was much much better than my K100. On a given night at
FNB, I might get 3-6 keepers with the K100, and when I got the K20 I
easily got 20 of better quality than I got with the K100.

So, it is my belief that the K20 should do much better than the K100,
that there shouldn't be any comparison. But, I'm not seeing the
tremendous difference in image quality that I expect. 

Frankly, I think that there is something wrong with this K20, that it
isn't performing as well as it should. I see a lot more noise in all
of the shots that I take with it than I expect. Unfortunately, that's
not something that is easy to test. If it doesn't take photos, I can
return it to Pentax and say this camera is broken. But, there are no
published specs for SNR (signal to noise ratio), nor any easy way to
test and check that on a camera. 

It's definitely easier to use than my K100. I love the ergonomics, but
I think that I should be seeing much better image quality at higher
ISOs than I am. For that matter, even on my ISO 100 shots I see a lot
more noise in the sky than I expect I should. 

I could have unrealistic expectations, a K20 may not actually perform
any better than a K100, my K20 may not be performing well, or I may
just be imagining things and it really does work a lot better than my
K100. It's also possible that I am so much better with the K100, that
I can make it perform better than the K20. But I wouldn't expect
monopod braced shots, aperture priority, to make a huge difference.
Granted, with some of the shots, I used a tripod with only one leg
extended rather than a monopod, but I expect that the delta between
the two of those to be minimal.

I figured that shooting the same subjects under the same conditions
would be a case where I should see a lot of much better quality shots
from the K20 than with the K100, and that would convince me that I
was, indeed, imagining the poor performance of the K20.


-- 
The first step is learning to take great photos, 
the second step is learning to throw away ones that are merely good.
Larry Colen l...@red4est.comhttp://www.red4est.com/lrc


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Re: K20 mojo

2009-07-20 Thread P. J. Alling

Stupid question:  Are you running the latest firmware?

Larry Colen wrote:

On Mon, Jul 20, 2009 at 09:41:58PM -0400, paul stenquist wrote:

  
This is an apples to oranges comparison. And it will remain that  



Same subjects, same light, same lenses, same place, same ISO.

  
regardless of how much processing you do. If you want to compare the  
cameras, do a controlled test. However, I would be surprised if the  



I will indeed need to do a controlled test. Prefereably using another
K20 also to compare mine with.

  
K20 wasn't considerably better. Mine K20D was light years less noisy  
than my *istD and a lot better at rendering color in AWB mode.



My first K20 was much much better than my K100. On a given night at
FNB, I might get 3-6 keepers with the K100, and when I got the K20 I
easily got 20 of better quality than I got with the K100.

So, it is my belief that the K20 should do much better than the K100,
that there shouldn't be any comparison. But, I'm not seeing the
tremendous difference in image quality that I expect. 


Frankly, I think that there is something wrong with this K20, that it
isn't performing as well as it should. I see a lot more noise in all
of the shots that I take with it than I expect. Unfortunately, that's
not something that is easy to test. If it doesn't take photos, I can
return it to Pentax and say this camera is broken. But, there are no
published specs for SNR (signal to noise ratio), nor any easy way to
test and check that on a camera. 


It's definitely easier to use than my K100. I love the ergonomics, but
I think that I should be seeing much better image quality at higher
ISOs than I am. For that matter, even on my ISO 100 shots I see a lot
more noise in the sky than I expect I should. 


I could have unrealistic expectations, a K20 may not actually perform
any better than a K100, my K20 may not be performing well, or I may
just be imagining things and it really does work a lot better than my
K100. It's also possible that I am so much better with the K100, that
I can make it perform better than the K20. But I wouldn't expect
monopod braced shots, aperture priority, to make a huge difference.
Granted, with some of the shots, I used a tripod with only one leg
extended rather than a monopod, but I expect that the delta between
the two of those to be minimal.

I figured that shooting the same subjects under the same conditions
would be a case where I should see a lot of much better quality shots
from the K20 than with the K100, and that would convince me that I
was, indeed, imagining the poor performance of the K20.


  



--


The free man owns himself. He can damage himself with either eating or 
drinking; he can ruin himself with gambling. If he does he is certainly a damn 
fool, and he might possibly be a damned soul; but if he may not, he is not a 
free man any more than a dog.

--G. K. Chesterton


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Re: K20 mojo

2009-07-20 Thread Larry Colen
On Mon, Jul 20, 2009 at 10:35:45PM -0400, P. J. Alling wrote:
 Stupid question:  Are you running the latest firmware?

There are no stupid questions, only stupid people.

I'm running 1.03 on the K20D and 1.00 on the K100.


-- 
The first step is learning to take great photos, 
the second step is learning to throw away ones that are merely good.
Larry Colen l...@red4est.comhttp://www.red4est.com/lrc


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