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Archive 2009 · Canon EOS 7D Master thread

  
 
keithreeder
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p.189 #1 · Canon EOS 7D Master thread


ppeh wrote:
Bear in mind we talking about quality of DSLR as a package and NOT THE POST PROCESSING TOOLS THAT MAKE THIS CAMERA WORKS!


Nonsense - of course your conversion and PP choices are part of the equation. It's ridiculous to expect any given camera to be at its best across the board, regardless of how the files are converted and processed.

You don't need PP to remove the noise - you can avoid it in the first place if you choose the right converter: and basing your decisions on a very unfinished beta is just mental.

Ironically - and amusingly, given that you've picked up a D700 - it has always been Nikon users that have made this point loudest of all (myself included, back in the day): they've always argued that any comments about Nikon IQ are inherently unfair unless the files have been converted in Nikon Capture or Capture NX because they maximise the files.

And just for completeness, Nikon isn't a noise/maze free zone either: these are both from D300s (different cameras, different photographers) - click on the little "+" sign under the image for a large view:

http://www.birdguides.com/iris/pictures.asp?f=226113 (200 ISO)
http://www.birdguides.com/iris/pictures.asp?f=226467 (400 ISO)



Nov 29, 2009 at 04:54 AM
willis
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p.189 #2 · Canon EOS 7D Master thread


I've just started using a 7D and I am pleasantly surprised by it's IQ. Theres noise at 100% at >1600ISO but for small bird photography it retains detail well and in small to medium prints even cropped images look great with a little PP. I't doesn't stand up to the 5D(original) or 1DIII at 100% view and I'd prefer these if I'm not FL limited but I've never had such a usable camera with my 100-400L for birds. The 400DO + TC makes a killer hand held combo with the 7D's 'extra reach' (I dont want the 'extra reach' lecture again, thanks in advance ).
My bottom line is that the extra pixels and crop factor (depite any extra noise) do give me more usable image detail for prints. No complaints about the AF yet either though it's early days.



Nov 29, 2009 at 06:27 AM
droopy1592
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p.189 #3 · Canon EOS 7D Master thread


keithreeder wrote

And just for completeness, Nikon isn't a noise/maze free zone either: these are both from D300s (different cameras, different photographers) - click on the little "+" sign under the image for a large view:

http://www.birdguides.com/iris/pictures.asp?f=226113 (200 ISO)
http://www.birdguides.com/iris/pictures.asp?f=226467 (400 ISO)




Ewww, those are nasty



Nov 29, 2009 at 07:09 AM
keithreeder
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p.189 #4 · Canon EOS 7D Master thread


Yes.

Yes, they are..!



And - without doubt - conversion and PP decisions made by the photographers will have played a huge part in their nastiness.



Nov 29, 2009 at 08:01 AM
keithreeder
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p.189 #5 · Canon EOS 7D Master thread


This is an "interesting" discussion too: http://forums.dpreview.com/forums/read.asp?forum=1039&message=33824306 - just goes to show that nothing is "new".





Nov 29, 2009 at 08:49 AM
ejmartin
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p.189 #6 · Canon EOS 7D Master thread


keithreeder wrote

And just for completeness, Nikon isn't a noise/maze free zone either: these are both from D300s (different cameras, different photographers) - click on the little "+" sign under the image for a large view:

http://www.birdguides.com/iris/pictures.asp?f=226113 (200 ISO)
http://www.birdguides.com/iris/pictures.asp?f=226467 (400 ISO)

droopy1592 wrote:
Ewww, those are nasty


Yup. Apparently our resident Canon apologist (well, probably there's more than one) doesn't know jpeg compression artifacts when he sees them. Indeed any camera can produce those if you set the jpeg quality too low when saving the image after editing.

Without doubt - PP decisions made by the photographers have played a huge part in the nastiness.



Has nothing to do with the RAW conversion, however, or the quality (or lack thereof) of the RAW data.



Edited on Nov 29, 2009 at 09:16 AM · View previous versions



Nov 29, 2009 at 08:55 AM
keithreeder
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p.189 #7 · Canon EOS 7D Master thread


Oh, so not making a career of trolling every forum that'll have me so that I can whine and bitch about every last thing that I'm a little bit unhappy about, is enough to make me an apologist?

I'll take that as a compliment, given what I think of the alternative.

Of course it's mazing - the jpeg/sharpening artifacts are just adding to them.

Are you also going to try and convince me (or yourself) that the DPR low ISO sky pics don't containing mazing? No chance of "artifacts" explaining that away...

And you call me an apologist..!

Edited on Nov 29, 2009 at 09:22 AM · View previous versions



Nov 29, 2009 at 09:13 AM
ejmartin
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p.189 #8 · Canon EOS 7D Master thread


Whatever you say, Keith. Interesting that the mazing comes in neat little 8x8 blocks.

And yes, I did call you an apologist. Sorry.



Nov 29, 2009 at 09:21 AM
Fred Tedsen
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p.189 #9 · Canon EOS 7D Master thread


keithreeder wrote:
AP doesn't say anything about the 7D at 100-400 ISO, but they do provide a graph of their noise analysis and - although I wouldn't usually do this (this is a quick handheld snapshot, as my scanner's kaput) - you can find it here.

Compare it to the same graph for the 500D (same sensor as the 50D).


Thanks. That's a pretty significant difference in favor of 7D.



Nov 29, 2009 at 09:58 AM
Stumped
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p.189 #10 · Canon EOS 7D Master thread


keithreeder wrote:
Oh, so not making a career of trolling every forum that'll have me so that I can whine and bitch about every last thing that I'm a little bit unhappy about, is enough to make me an apologist?
And you call me an apologist..!


" A person who argues in defense or justification of something, such as a doctrine, policy, or institution."

Some spend their time trolling every forum defending the faith against
all who would dare say I think we might have a problem with this-
When they can’t deal with the message they attack the messenger-
They run in pairs-

We have a correct ID- lol





Nov 29, 2009 at 01:35 PM
Adam L
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p.189 #11 · Canon EOS 7D Master thread


anthonygh wrote:
OK...here's a question! Anyone out there actually using the 7D to take photographs (NOT TESTS) and printing them up?


Half the internet would disappear if measurebaters no longer posted 100% comparisons and what not



Nov 29, 2009 at 02:38 PM
skibum5
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p.189 #12 · Canon EOS 7D Master thread


The 7D, perhaps uniquely for a DSLR, requires special compensation in conversion and LR 3 Beta does not do it so it makes a mess out of the 7D, just what you found nasty artifacts and noise even in upper tones at low ISO.

It also tends to have a bit of a weird repititious column gain alternation which also puts it closer to the threshold of converters making a mess of things.

Using ACR 5.6 it would've looked a lot better (although it won't have the SNR of a FF D700 of course) since that converter does seem to be able to manage the files pretty well.

ppeh wrote:
Running Lightroom 3 Beta for all Canon PP.

I just got a Nikon D700 (used) + a 24-70 f/2.8 and 70-200 VR from my regular shop to try out. Running a Trial NX2 for Nikon PP

I still like the 7D Body, the Industrial Design of this Body is 10/10. Take the sensor out and replace with a Mk4 Sensor and you have a Nikon Slayer. And will probably put SONY range of FF DSLR to RIP.

I think there is too much marketing decision that screw all these products up.




Edited on Nov 29, 2009 at 03:02 PM · View previous versions



Nov 29, 2009 at 02:54 PM
skibum5
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p.189 #13 · Canon EOS 7D Master thread


keithreeder wrote:
Nonsense - of course your conversion and PP choices are part of the equation. It's ridiculous to expect any given camera to be at its best across the board, regardless of how the files are converted and processed.

You don't need PP to remove the noise - you can avoid it in the first place if you choose the right converter: and basing your decisions on a very unfinished beta is just mental.

Ironically - and amusingly, given that you've picked up a D700 - it has always been Nikon users that have made this point loudest of all (myself included,
...Show more

are you sure that is not just jpg artifacting from posting it?
the scale looks native to the extreme downsize



Nov 29, 2009 at 02:57 PM
mfurman
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p.189 #14 · Canon EOS 7D Master thread


skibum5:
The 7D, perhaps uniquely for a DSLR, requires special compensation


I do appreciate your interesting and quite measured posting but I must say that even you comment about EOS 7D as if it is a prima donna that requires much more attention that is normally justified.



Nov 29, 2009 at 04:10 PM
skibum5
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p.189 #15 · Canon EOS 7D Master thread


mfurman wrote:
I do appreciate your interesting and quite measured posting but I must say that even you comment about EOS 7D as if it is a prima donna that requires much more attention that is normally justified.


true, but since I bought CS4 and like ACR and ACR 5.6 does process it pretty well, in the end it doesn't really matter too much for me- my particular case

i still don't at all get the cyclic column to column differences since there is no way that could be of any sort of benefit at all, kind of weird they radically cleaned up the other banding and then came up with this new sort but whatever

the green differences still seem a little odd to me although again ACR 5.6 both handles that AND still provides at least a trace more detail resolved than from any other APS-C camera so you still end up with more than you'd get out of any other (APS-C) choice.





Nov 29, 2009 at 04:38 PM
ppeh
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p.189 #16 · Canon EOS 7D Master thread


Seeing noises at ISO 100 is not part of the deal.

When have PP been market for removing noise and ISO100.

When U remove noise at ISO 100 to 400, you remove details.

Nice picture, I spend more time shooting than running over night PP and I expect a difference in style. I'm no a pro, But I design Image Sensor for the last decades and shooting to evaluate Sensor performance is part of the job. -> Can't go on beyond with NDA......

U should join the Canon Marketing Team,Free PP S/W to remove noise at ISO 100, I think this will kill the 7D instantly


=>

Nonsense - of course your conversion and PP choices are part of the equation. It's ridiculous to expect any given camera to be at its best across the board, regardless of how the files are converted and processed.



keithreeder wrote:
Nonsense - of course your conversion and PP choices are part of the equation. It's ridiculous to expect any given camera to be at its best across the board, regardless of how the files are converted and processed.

You don't need PP to remove the noise - you can avoid it in the first place if you choose the right converter: and basing your decisions on a very unfinished beta is just mental.

Ironically - and amusingly, given that you've picked up a D700 - it has always been Nikon users that have made this point loudest of all (myself included,
...Show more



Nov 29, 2009 at 09:15 PM
gotak
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p.189 #17 · Canon EOS 7D Master thread


Do you really design sensors for a living? Cause you don't talk like the technical people I know. Heck I spent the last 3 years learning about and designing FPGAs and no one claims anything like you do.


Nov 29, 2009 at 10:47 PM
sritri
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p.189 #18 · Canon EOS 7D Master thread


I got a 7D as a wedding anniversary gift a couple of minutes ago ( I normally shoot with a 1Ds-II

But noise is terrible in this am I doing something wrong ? 2.8, 1/13, ISO 400 on a tripod...70-200 IS USM

http://www.shreenirao.com/1.jpg

http://www.shreenirao.com/2.jpg

http://www.shreenirao.com/3.jpg



Nov 30, 2009 at 01:21 AM
charlyw
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p.189 #19 · Canon EOS 7D Master thread


Yes, you are underexposing by 2-3 stops... That's effectively not ISO-400, that is ISO-400 pushed to ISO-3200!


Nov 30, 2009 at 04:03 AM
ciprian.trofin
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p.189 #20 · Canon EOS 7D Master thread


The image looks underexposed but NOT YET pushed.


Nov 30, 2009 at 05:53 AM
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