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  • #31
    Re: E-M5, E-P3, GH2, GX1 image quality comparisons

    Actually - I think there is another error. The 100% crops are not 100%. Let me fix this now... (done)

    Ian
    Last edited by Ian; 4th April 2012, 10:18 PM. Reason: Fixed wrong sized 100% crops
    Founder/editor
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    • #32
      Re: E-M5, E-P3, GH2, GX1 image quality comparisons

      Sorry Ian those comparisons are no good, the birds head has moved between shots, can you take them again tomorrow please

      Paul
      GH-3, OM-D, 7-14, 12-35, 35-100, 100-300, 25, 60 macro, 40-150 Pro.

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      • #33
        Re: E-M5, E-P3, GH2, GX1 image quality comparisons

        Originally posted by Woofmix View Post
        Sorry Ian those comparisons are no good, the birds head has moved between shots, can you take them again tomorrow please

        Paul
        Pesky models these days - always fidgeting!

        Ian
        Founder/editor
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        Digital Photography Now (http://dpnow.com)
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        • #34
          Re: E-M5, E-P3, GH2, GX1 image quality comparisons

          Here there are a pair of details comparisons of the above samples.

          E-M5 + 100-300 (300mm)
          GH2 + 100-300 (300mm)

          E-M5 to the left, GH2 to the right




          Ed
          Last edited by Happy Birder; 4th April 2012, 11:30 PM.

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          • #35
            Re: E-M5, E-P3, GH2, GX1 image quality comparisons

            Hey Ed - I think that's the E-M5 on the left, right? It's so easy to make mistakes as I am proving myself!

            Ian
            Founder/editor
            Four Thirds User (http://fourthirds-user.com)
            Digital Photography Now (http://dpnow.com)
            Olympus UK E-System User Group (http://e-group.uk.net)
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            • #36
              Re: E-M5, E-P3, GH2, GX1 image quality comparisons

              Ian,

              Just to check and to keep everybody informed.

              These are handheld shots?

              I suppose you used single center spot AF?

              What was the IS configuration mix in each case?

              What is your personal feeling about the AF process on each case, time, difficulty, hunting, etc?

              These samples with the same lens say a lot about both camera outputs in real world conditions and settings.

              Thanks so much for them.

              Ed

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              • #37
                Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                Originally posted by Ian View Post
                Hey Ed - I think that's the E-M5 on the left, right? It's so easy to make mistakes as I am proving myself!

                Ian

                Ian,

                You are right.

                There's nothing as team work.

                I'll correct it inmediately.

                Ed

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                • #38
                  Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                  Originally posted by Happy Birder View Post
                  Ian,

                  Just to check and to keep everybody informed.

                  These are handheld shots?

                  I suppose you used single center spot AF?

                  What was the IS configuration mix in each case?

                  What is your personal feeling about the AF process on each case, time, difficulty, hunting, etc?

                  These samples with the same lens say a lot about both camera outputs in real world conditions and settings.

                  Thanks so much for them.

                  Ed
                  These were hand held, with IS set to mode 1 on each, using sensor shift IS on the E-M5 and in-lens IS on the GH2. Single centre AF point. I need more time to judge the respective AF; it's not very different though. The view is visibly stabilised in the GH2 EVF, which is nice although it actually makes accurate placement of the AF point on the target slighlty tricky if you are not used to it. The E-M5 shoots much faster of course and despite this empties the buffer faster too, so you can take more shots and increase the chances of keepers.

                  Ian
                  Founder/editor
                  Four Thirds User (http://fourthirds-user.com)
                  Digital Photography Now (http://dpnow.com)
                  Olympus UK E-System User Group (http://e-group.uk.net)
                  Olympus camera, lens, and accessory hire (http://e-group.uk.net/hire)
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                  • #39
                    Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                    Originally posted by Ian View Post
                    The E-M5 shoots much faster of course and despite this empties the buffer faster too, so you can take more shots and increase the chances of keepers.

                    Ian
                    A very salient point when comparing real world situations.
                    View my ebook, The Light Fantastic, at: http://store.blurb.co.uk/ebooks/3026...ight-fantastic

                    John

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                    • #40
                      Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                      Originally posted by Happy Birder View Post
                      Here there are a pair of details comparisons of the above samples.

                      E-M5 + 100-300 (300mm)
                      GH2 + 100-300 (300mm)

                      E-M5 to the left, GH2 to the right




                      Ed

                      Thanks for this Ed. Obviously it would be inappropriate to draw firm conclusions from just one comparison; focus may have been a tad out on one example, for instance, or the bird may have moved during one exposure. However, to my eyes at least (and on my monitor) I have to say that I prefer the E-M5 image. The grey patch of feathers above the beak have more detail and (apparent at least) better sharpness. Likewise the chest feathers, underside and the twig on which the bird is perched. Noise/grain seems better controlled by the Olympus (that's a phrase I never expected to type) despite the better detail, although both are remarkably good IMO for ISO 1600.

                      However, this really is splitting hairs (or feathers) and would not stop me from choosing the GH2 if I preferred the handling, which is a vital consideration in real world photography. It's starting to look to me that we are fortunate to have the choice between two equally fine cameras, but as I say it's early days and more examples are needed before drawing firm conclusions.

                      Thank you very much Ian for your continuing hard work.
                      View my ebook, The Light Fantastic, at: http://store.blurb.co.uk/ebooks/3026...ight-fantastic

                      John

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                      • #41
                        Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                        You can now download the Lumix base ISO RAW files (ISO 160) here:

                        GH2: http://fourthirds-user.com/files/for...GH2_ISO160.rw2
                        GX1: http://fourthirds-user.com/files/for...GX1_ISO160.rw2

                        JPEGs:

                        GH2: http://fourthirds-user.com/files/for...GH2_ISO160.JPG
                        GX1: http://fourthirds-user.com/files/for...GX1_ISO160.JPG

                        Ian
                        Founder/editor
                        Four Thirds User (http://fourthirds-user.com)
                        Digital Photography Now (http://dpnow.com)
                        Olympus UK E-System User Group (http://e-group.uk.net)
                        Olympus camera, lens, and accessory hire (http://e-group.uk.net/hire)
                        Twitter: www.twitter.com/ian_burley
                        Flickr: www.flickr.com/photos/dpnow/
                        Pinterest: www.pinterest.com/ianburley/

                        Comment


                        • #42
                          Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                          Originally posted by Happy Birder View Post
                          Here you can see all visible part of that bill-note, we want to identify, to try to obtain a better image of it to really know which camera is reproducing better its actually details.



                          Ed
                          Ed, I used to deal with these regularly in my work before Italy joined the Euro. It's a section of a 1000 lire note. See this link.

                          Edit. Here's a link to a higher resolution image on Flickr.
                          View my ebook, The Light Fantastic, at: http://store.blurb.co.uk/ebooks/3026...ight-fantastic

                          John

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                          • #43
                            Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                            Originally posted by John Perriment View Post
                            Thanks for this Ed. Obviously it would be inappropriate to draw firm conclusions from just one comparison; focus may have been a tad out on one example, for instance, or the bird may have moved during one exposure. However, to my eyes at least (and on my monitor) I have to say that I prefer the E-M5 image. The grey patch of feathers above the beak have more detail and (apparent at least) better sharpness. Likewise the chest feathers, underside and the twig on which the bird is perched. Noise/grain seems better controlled by the Olympus (that's a phrase I never expected to type) despite the better detail, although both are remarkably good IMO for ISO 1600.

                            However, this really is splitting hairs (or feathers) and would not stop me from choosing the GH2 if I preferred the handling, which is a vital consideration in real world photography. It's starting to look to me that we are fortunate to have the choice between two equally fine cameras, but as I say it's early days and more examples are needed before drawing firm conclusions.

                            Thank you very much Ian for your continuing hard work.
                            Yes, at least we know now that it exist a real contender to GH2. This just makes me happy as an m43 enthusiast and as an Olympus and Panasonic admirer.

                            And I also think that for unknown reasons GH2 image is a little blurred, except in here:

                            E-M5 to the left, GH2 to the right



                            Which just makes more interesting and wanted coming Ian's long lens comparisons, where I'm sure he will gradually find the best setting for each camera long lens combination.

                            And remember that the final price would be if he manages to show all of us some comparative shots of BIF (Birds In Flight).

                            Ed

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                            • #44
                              Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                              I think that if you have to blow up an image this much to notice any real difference in sharpness or detail, in real world use as a tool to make photographs, the difference will be unnoticeable.

                              That doesn't mean there won't be differences in other areas, such as noise, DR, color, etc. But in all honesty, most 16 MP sensors are going to show similar detail.

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                              • #45
                                Re: E-M5, E-P3, GH2, GX1 image quality comparisons

                                Originally posted by Happy Birder View Post
                                Here you can see all visible part of that bill-note, we want to identify, to try to obtain a better image of it to really know which camera is reproducing better its actually details.



                                Ed
                                Once again I'd like to draw your attention to the fact that it makes no sense to draw too steep conclusions from taking an image from an image.

                                The point here is that the womans picture on the note does have an underlaying structure from printing (sort of half tone raster) that interferes with the pixel pattern.

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