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Canon 7D Red Detail



 
 
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  #1  
Old September 5th 09, 06:58 PM posted to rec.photo.digital.slr-systems
Tyler
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Posts: 6
Default Canon 7D Red Detail

Just been looking at 7D sample images on Imaging Resource. Can anyone
explain the lack of detail in the red fabric on the 7D compared to the 40D
(The red fabric in the top left of the photos, in the 3 o' clock position):

40D, ISO 3200:
http://75.126.132.154/PRODS/E40D/FUL...0DhSLI3200.JPG

7D, ISO 3200:
http://75.126.132.154/PRODS/E7D/FULL...200_NR_STD.JPG


  #2  
Old September 5th 09, 07:23 PM posted to rec.photo.digital.slr-systems
Robert Spanjaard
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Posts: 311
Default Canon 7D Red Detail

On Sat, 05 Sep 2009 18:58:48 +0100, Tyler wrote:

Just been looking at 7D sample images on Imaging Resource. Can anyone
explain the lack of detail in the red fabric on the 7D compared to the
40D (The red fabric in the top left of the photos, in the 3 o' clock
position):

40D, ISO 3200:
http://75.126.132.154/PRODS/E40D/FUL...0DhSLI3200.JPG

7D, ISO 3200:
http://75.126.132.154/PRODS/E7D/FULL...200_NR_STD.JPG


It's the over-enthousiastic noise reduction. The version without noise
reduction is much better.


--
Regards, Robert http://www.arumes.com
  #3  
Old September 6th 09, 09:21 AM posted to rec.photo.digital.slr-systems
Ray Fischer
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Posts: 5,136
Default Canon 7D Red Detail

Robert Spanjaard wrote:
On Sat, 05 Sep 2009 18:58:48 +0100, Tyler wrote:

Just been looking at 7D sample images on Imaging Resource. Can anyone
explain the lack of detail in the red fabric on the 7D compared to the
40D (The red fabric in the top left of the photos, in the 3 o' clock
position):

40D, ISO 3200:
http://75.126.132.154/PRODS/E40D/FUL...0DhSLI3200.JPG

7D, ISO 3200:
http://75.126.132.154/PRODS/E7D/FULL...200_NR_STD.JPG


It's the over-enthousiastic noise reduction. The version without noise
reduction is much better.


And yet it appears only to affect the red channel. The proportional
scale on the right and the other colors seem unaffected. In fact, the
scale shows more detail from the 7D.

--
Ray Fischer


  #4  
Old September 6th 09, 11:26 AM posted to rec.photo.digital.slr-systems
Me
external usenet poster
 
Posts: 796
Default Canon 7D Red Detail

Ray Fischer wrote:
Robert Spanjaard wrote:
On Sat, 05 Sep 2009 18:58:48 +0100, Tyler wrote:

Just been looking at 7D sample images on Imaging Resource. Can anyone
explain the lack of detail in the red fabric on the 7D compared to the
40D (The red fabric in the top left of the photos, in the 3 o' clock
position):

40D, ISO 3200:
http://75.126.132.154/PRODS/E40D/FUL...0DhSLI3200.JPG

7D, ISO 3200:
http://75.126.132.154/PRODS/E7D/FULL...200_NR_STD.JPG

It's the over-enthousiastic noise reduction. The version without noise
reduction is much better.


And yet it appears only to affect the red channel. The proportional
scale on the right and the other colors seem unaffected. In fact, the
scale shows more detail from the 7D.

You'd need the raw file to see whether it's a glitch in in-camera NR,
and/or saturated red channel on the sensor (but something's wrong - it
looks really bad). If the raw is okay, then nobody expects ISO 3200 to
look great with ex-camera jpegs from an APS-c camera at 100% pixel view
- do they?
  #5  
Old September 6th 09, 11:40 AM posted to rec.photo.digital.slr-systems
Robert Spanjaard
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Posts: 311
Default Canon 7D Red Detail

On Sun, 06 Sep 2009 08:21:16 +0000, Ray Fischer wrote:

Robert Spanjaard wrote:
On Sat, 05 Sep 2009 18:58:48 +0100, Tyler wrote:

Just been looking at 7D sample images on Imaging Resource. Can anyone
explain the lack of detail in the red fabric on the 7D compared to the
40D (The red fabric in the top left of the photos, in the 3 o' clock
position):

40D, ISO 3200:
http://75.126.132.154/PRODS/E40D/FUL...0DhSLI3200.JPG

7D, ISO 3200:
http://75.126.132.154/PRODS/E7D/FULL...200_NR_STD.JPG


It's the over-enthousiastic noise reduction. The version without noise
reduction is much better.


And yet it appears only to affect the red channel. The proportional
scale on the right and the other colors seem unaffected.


They certainly are affected.





--
Regards, Robert http://www.arumes.com
  #6  
Old September 6th 09, 11:45 AM posted to rec.photo.digital.slr-systems
Robert Spanjaard
external usenet poster
 
Posts: 311
Default Canon 7D Red Detail

On Sun, 06 Sep 2009 22:26:39 +1200, Me wrote:

40D, ISO 3200:
http://75.126.132.154/PRODS/E40D/FUL...0DhSLI3200.JPG

7D, ISO 3200:
http://75.126.132.154/PRODS/E7D/FULL...200_NR_STD.JPG
It's the over-enthousiastic noise reduction. The version without noise
reduction is much better.


And yet it appears only to affect the red channel. The proportional
scale on the right and the other colors seem unaffected. In fact, the
scale shows more detail from the 7D.

You'd need the raw file to see whether it's a glitch in in-camera NR,
and/or saturated red channel on the sensor (but something's wrong - it
looks really bad). If the raw is okay, then nobody expects ISO 3200 to
look great with ex-camera jpegs from an APS-c camera at 100% pixel view
- do they?


The site also has JPEGS with in-camera NR turned off. So you don't need
the RAW to see where the lack of detail (which is clearly visible without
zooming at all) comes from.

--
Regards, Robert http://www.arumes.com
  #7  
Old September 6th 09, 08:12 PM posted to rec.photo.digital.slr-systems
Ray Fischer
external usenet poster
 
Posts: 5,136
Default Canon 7D Red Detail

Robert Spanjaard wrote:
On Sun, 06 Sep 2009 08:21:16 +0000, Ray Fischer wrote:
Robert Spanjaard wrote:
On Sat, 05 Sep 2009 18:58:48 +0100, Tyler wrote:


Just been looking at 7D sample images on Imaging Resource. Can anyone
explain the lack of detail in the red fabric on the 7D compared to the
40D (The red fabric in the top left of the photos, in the 3 o' clock
position):

40D, ISO 3200:
http://75.126.132.154/PRODS/E40D/FUL...0DhSLI3200.JPG

7D, ISO 3200:
http://75.126.132.154/PRODS/E7D/FULL...200_NR_STD.JPG

It's the over-enthousiastic noise reduction. The version without noise
reduction is much better.


And yet it appears only to affect the red channel. The proportional
scale on the right and the other colors seem unaffected.


They certainly are affected.


Can you actually point to an example or are you just whining?

--
Ray Fischer


  #8  
Old September 6th 09, 09:03 PM posted to rec.photo.digital.slr-systems
Robert Spanjaard
external usenet poster
 
Posts: 311
Default Canon 7D Red Detail

On Sun, 06 Sep 2009 19:12:25 +0000, Ray Fischer wrote:

And yet it appears only to affect the red channel. The proportional
scale on the right and the other colors seem unaffected.


They certainly are affected.


Can you actually point to an example or are you just whining?


Ofcourse I can.

Am I going to bother if you ask it this way?

Ofcourse not.

--
Regards, Robert http://www.arumes.com
  #9  
Old September 7th 09, 02:26 AM posted to rec.photo.digital.slr-systems
Ray Fischer
external usenet poster
 
Posts: 5,136
Default Canon 7D Red Detail

Robert Spanjaard wrote:
On Sun, 06 Sep 2009 19:12:25 +0000, Ray Fischer wrote:

And yet it appears only to affect the red channel. The proportional
scale on the right and the other colors seem unaffected.

They certainly are affected.


Can you actually point to an example or are you just whining?


Ofcourse I can.

Am I going to bother if you ask it this way?

Ofcourse not


In short, you've got nothing but childish bravado and dishonesty.

--
Ray Fischer


  #10  
Old September 7th 09, 04:34 AM posted to rec.photo.digital.slr-systems
Robert Spanjaard
external usenet poster
 
Posts: 311
Default Canon 7D Red Detail

On Mon, 07 Sep 2009 01:26:10 +0000, Ray Fischer wrote:

Can you actually point to an example or are you just whining?


Ofcourse I can.

Am I going to bother if you ask it this way?

Ofcourse not


In short, you've got nothing but childish bravado and dishonesty.


I couldn't care less about your conclusions.

--
Regards, Robert http://www.arumes.com
 




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