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FORUMS General Gear Talk Camera Vs. Camera 
Thread started 02 Aug 2016 (Tuesday) 15:20
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Where are the sample images??

 
Strick
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Aug 02, 2016 15:20 |  #1

I have asked here more than a few times as well as on other forums......where are the actual samples that prove a m4/3 IQ and "lack of DR" can't compete with......whatever camera is their choice.

I don't want to see some DXO chart that has been proven to be not the end all of IQ or performance measuring. I want to see actual samples, of the same seen, under the same conditions, either proceeded the same or better yet proved the raw files so we can judge. I ask partly because I am indeed curious but also because I always here about it but it is never proved with actual images.


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drmaxx
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Aug 02, 2016 15:28 |  #2

This link might be interesting for you? http://www.imaging-resource.com …-eos-m3-image-quality.htm (external link)


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DreDaze
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Aug 02, 2016 15:45 |  #3

this is the only thing that i can think is somewhat close to what you're asking for...although it doesn't really show off the dynamic range of a camera well...but you can compare a ton of different cameras on the same scene
https://www.dpreview.c​om/reviews/studio-compare (external link)

and i guess they have a newer one
https://www.dpreview.c​om/reviews/image-comparison (external link)


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Strick
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Aug 02, 2016 15:47 |  #4

DreDaze wrote in post #18084800 (external link)
this is the only thing that i can think is somewhat close to what you're asking for...although it doesn't really show off the dynamic range of a camera well...but you can compare a ton of different cameras on the same scene
https://www.dpreview.c​om/reviews/studio-compare (external link)

and i guess they have a newer one
https://www.dpreview.c​om/reviews/image-comparison (external link)

I am thinking more of actual real world images, not studio test shots.


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Chet
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Aug 02, 2016 16:10 |  #5

Good luck in your quest.




  
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DreDaze
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Aug 02, 2016 16:50 as a reply to  @ Strick's post |  #6

Yeah, which is why I said close- I think real world, same lighting with multiple cameras just isn't realistic


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JeffreyG
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Aug 02, 2016 19:15 |  #7

Strick wrote in post #18084801 (external link)
I am thinking more of actual real world images, not studio test shots.

You will find that the vast majority of armchair testers will be incompetent at creating a meaningful demonstration.

And then, even if they pick a great subject that demands resolution and DR and everything else, and they manage to shoot two or more systems back to back without motion blur or whatever messing up the test.....well there you are. Now you have one test of a scene from two cameras that can never be reproduced or shot again, because the light and scene will never be exactly the same again. So the test will quickly become irrelevant. Imagine if I'd put a huge amount of effort into comparing a Canon 5D and 30D in 2006. Would you care about this test now? Nope....and I would not be able to keep shooting the scene with newer bodies.

That's basically why dedicated testers shoot static, fixed test scenes that they can recreate. There are a lot of problems with that methodology as well, but at least the results can plausibly be recreated or compared to future cameras as they come along.


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Strick
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Aug 02, 2016 19:24 |  #8

JeffreyG wrote in post #18084954 (external link)
You will find that the vast majority of armchair testers will be incompetent at creating a meaningful demonstration.

And then, even if they pick a great subject that demands resolution and DR and everything else, and they manage to shoot two or more systems back to back without motion blur or whatever messing up the test.....well there you are. Now you have one test of a scene from two cameras that can never be reproduced or shot again, because the light and scene will never be exactly the same again. So the test will quickly become irrelevant. Imagine if I'd put a huge amount of effort into comparing a Canon 5D and 30D in 2006. Would you care about this test now? Nope....and I would not be able to keep shooting the scene with newer bodies.

That's basically why dedicated testers shoot static, fixed test scenes that they can recreate. There are a lot of problems with that methodology as well, but at least the results can plausibly be recreated or compared to future cameras as they come along.


Yeah that is mostly true.

It just would be nice to see some images of something actually out in the world that photographers would shoot. I am not even looking for in depth technical comparisons, just the shot framed the same and the same exposure (using same f stop and iso).

On another forum where I posted this it seems to be a touchy subject.


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Snydremark
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Aug 02, 2016 20:10 |  #9

They don't exist in the manner you are asking for; mainly because folks don't often keep the body they're unhappy with. So, they only have their preferred body to make new shots with.

I've had similar issues with other common comparisons as well; unfortunately, that's just how these things go.

If you really have a concern, I'd suggest renting to do your own comparisons.


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Kolor-Pikker
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Post edited over 7 years ago by Kolor-Pikker. (6 edits in all)
     
Aug 03, 2016 05:48 |  #10

I own a Powershot Pro1 (small sensor), 5D2 (FF) and a 645Z (1.3x MF). I have a 400D that I gave to a friend, so alas I don't have an APS-C option to compare right now.
If I get some nice sunny weather (and my camera back) I might go out and try something.

Edit: So I completely forgot that I already had a couple of test images I took just a week or so ago, using the 5D2 and 645Z.
First two images are uncropped, and the next two are 100% crops of what I found to be the darkest area with +100% shadow recovery in Lightroom. Both were shot at ISO100.

IMAGE: https://dl.dropboxusercontent.com/u/41183616/5D2_full.jpg

IMAGE: https://dl.dropboxusercontent.com/u/41183616/645z_full.jpg

IMAGE: https://dl.dropboxusercontent.com/u/41183616/5D2_100_shadows.jpg

IMAGE: https://dl.dropboxusercontent.com/u/41183616/645Z_100_shadows.jpg

Unfortunately neither camera was close to clipping either highlights or shadows here, despite it being noon and direct sun light, but you can tell in the shadow tree area the amount of noise the 5D2 has. If you look closely at the roof of the building and tractor and the fence you'll see how much darker they are on the Z, because the highlights are much further from saturation.

I'm still gonna try and find a scene that pushes the limits of DR if possible.

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Strick
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Aug 03, 2016 08:41 |  #11

Thanks. That is a the type of comparison I was thinking about.


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Where are the sample images??
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