X100 vs S95 -- Is my X100 having a problem?
  • Wanting to love my new X100... But is does not seem as sharp as my Canon S95... I've been shooting it for about two weeks and finding my results variable, leaning toward disappointing. I've chalked that up to my amateur skills, but now not so sure. I have gotten some really nice images that demonstrated the touted X100 image quality. I've tried different settings: full-auto, aperture priority, shutter priority, full manual, and manual and auto focus. But I've kept noticing that I am getting furry/fuzzy/just-not-quite-crisp images.

    So, today I did a test. Here are two images, one from each camera shooting the same scene, as well as a close-up crop of each. What do you think? Is there something wrong with my X100?
    http://www.flickr.com/photos/66719916@N02/sets/72157628105204104/
    Settings: S95 -- full auto with macro; X100 -- f2.0, ISO 1250 @ 1/80 sec.

    To my (non-professional) eye, there seems to be a softness to the X100 image vs the S95 image; X100 has a glow or aura or almost a double image that is not evident in S95 image.

    What's going on? Do I have a problem? Or am I just a dolt?
  • its because you are shooting wide open with the x100. It is sharpest around f4 - f5.6. The x100 is soft at f2 and gets crisper if you stop up.
  • gregvdsgregvds
    Posts: 531
    Your image alone is not very relevant. In macro, a small sensor will still gives you a tremendous depth of field (a lot of stuff will still be in focus). On the other side, the large sensor of the X100, used furthermore at full aperture f/2.0 will surely gives you a very narrow depth of field (very few things will be in focus, except the things at the focussed distance, and a little bit before and behind). Can you provide more shots, maybe taken focussed at infinity, an urban landscape with lots of details for example. It could be useful to compare different apertures.

    I don't know what is your skill level, but the blur at the right of the image doesn't look like not fitting the image and aperture.

    Also, is this constant through all your images? Are the blurry areas always situated at the same place? Do they affect the entire view, or only part of it?

    I'm just asking the following question trying to help you debug the problem if any, so don't be shoked by them. Do you know the effect of different apertures? Do you know what is depth of field? Do you know the impact of the size of the sensor on image characteristics? Have you some optics notions? Please do answer without fear to be blamed, and if you know all this, be sure I don't try to be mockous or whatever. If you do not know all these stuff, that's maybe the cause of you misunderstanding, and am willing to help you understand what to do to achieve the shots you want.

    All the very best,
  • Thanks to you both for your replies. And no worries, gregvds, all questions are good questions! In lurking on this discussion board in the last week, I have found the tone and tenor to be most inclusive and helpful, not condescending, and I'm pleased to have your help.

    I am an amateur but not a novice. I understand apertures, depth of field, and impact of sensor size, though I know less about optics. I got the X100 because I wanted a fixed focal length camera with a big sensor, high IQ, manual controls, fewest possible bells/whistles, all in a smallish package.

    The bright-shifted blur is NOT constant through all my images. However, I think that am having inconsistent function from auto focusing. BTW, I believe I am also having trouble with sticky aperture, as sometimes when on full auto, half-depressing the shutter release produces different results -- as if shutter is getting stuck. I have checked the aperture visually while manipulating the lens ring, and there is no doubt it does not always get into f16 position.

    Anyway, here are a few more shots -- please tell me if you think the sharpness is up to snuff:

    http://www.flickr.com/photos/66719916@N02/6335835622/in/set-72157628105204104

    http://www.flickr.com/photos/66719916@N02/6335121973/in/set-72157628105204104/

    http://www.flickr.com/photos/66719916@N02/6335162503/in/set-72157628105204104/
  • I initially had the same finding as you with my S90.

    I do have the same solution as finneync about 'stopping up' to f4 and not getting too close to the subject. The X100 has a rather different kind of macro than the S90 series. If I needed product shots with maximum details, I just use the S90. With shots intended for more artistic rendering, I use the X100 with the above tips in mind.

    HTH.
  • gregvdsgregvds
    Posts: 531
    Hi,

    Good to know you have the skills to understand your pics. From what I see, the new pictures seems ok to me. Maybe other X100 members could benefit to have the full image at hand.

    Too bad it appears you have the sticky aperture problem. Don't hesitate one sec, and go and have the camera fixed by Fuji. Please ask as much as possible. Will they replace the lens assembly? By which one? Do they already received the newly designed one, that fully fix the problem (It seems to replace the lens assembly by the same one does not cure the problem, as it seems the problem is due to an interaction between the body and the lens assembly, so to replace the lens assembly by the same, will have the problem returning after a few hundred or thousand shots.) Please do report here your experience, it helps others too to have it known. And if something is actually wrong with the lens promoting softness, you have the chance to have it cured too.

    All the best,
  • kevenvkevenv
    Posts: 32
    Another thing you may want to consider is the lack of image stabilization on the X100 as opposed to the S95. I initially had the same problem as you, coming from the EPL1. I had to rethink holding and shooting as I had become a bit lazy, relying on the IS to make sure everything was sharp.
  • gregvdsgregvds
    Posts: 531
    I forgot that point, right! No IS in the X100!
  • jackkjackk
    Posts: 52
    finneync said:

    its because you are shooting wide open with the x100. It is sharpest around f4 - f5.6. The x100 is soft at f2 and gets crisper if you stop up.



    I'm learning as well.... guess you meant stop down right?
  • DragonEye: I have taken some pix with middle f-stops and on up to f16. Two of these posted here (and they are now available full-sized to you all):

    http://www.flickr.com/photos/66719916@N02/6339378374/in/photostream/

    http://www.flickr.com/photos/66719916@N02/6338627159/in/photostream/

    What do you think?

    Kevenv: Great reminder about IS -- hadn't thought of that... In the images above, I did my best to hold still. I think that I, too, have been spoiled by IS in my previous cameras... Not as steady as I used to be, perhaps. The apple shot above was in a breezy place; the gravestone shot was as steady as I could make it (and the stone wasn't moved by the breeze!)...

    Both shots are at high f-stops -- 14 and 16. I would expect greater depth of field and sharpness in both images (although the gravestone is not a subject with a lot of depth)... Both are at fast shutter speed, so I would expect my possible lack of steadiness to be a minor or insignificant factor.

    As I was taking these and others in a series of shots of both subjects today, I became more convinced that my shutter is sticking at or near the f2 end of the scale, despite being manually set to the other end of the scale. I used auto aperture/manual speed; manual aperture/auto speed; and full auto. I used manual focus for all. Once focused on the subject, I would depress the shutter release half way. The LCD screen would show me different exposures -- usually way over or under exposed. Only one out of about five shutter depressions dialed in the right exposure.

    Does that sound like the sticky shutter?
  • Oh, yeah, something important: When I set the camera on f5.6 or f.4 with auto speed and auto iso, the camera could not find a proper exposure. Doesn't that sound like a sticky shutter?
  • You can easily assess the aperture by changing to every setting and half pressing the shutter. Then you should see the aperture close down to the specified setting. I usually leave my auto iso off as I find it quite annoying if trying to get a specific look to a shot, usually only use it for quick snaps.

    Your first shot above vs s95 looks quite sharp, except for the shallow DOF effect which I'm not sure if is what you are referring to as blur. The text on the glasses you focsed on seems sharp.

    The last shot at f14 seems odd though. Looks more like wide open aperture.
  • johnVT, the photos you posted look like they were shot on wide open apertures, especially evident on the apple shot.

    Can you visually verify in the lens if the aperture is indeed stopping to f16 when you half-press the shutter? Sounds like a case of SAB to me.
  • Hi all: Yes, I have verified that I have the problem. Yesterday the camera would not stop down at all, no matter what I did to coax it. This morning I called Fuji in Edison, NJ. It was a very positive experience. I told my story and was, in turn, told "it certainly sounds like the problem" and encouraged to send the camera to them asap, which I did. I asked what the fix would be, and told "new lens and lens block." I asked if this would be a temp fix -- would the parts be new but destined to redevelop the problem, or had Fuji found a permanent fix. I was told, "We don't know what exactly Japan has done, but they are now sending us re-designed parts meant to fix the problem once and for all." As for lens softness, I decided to wait until I get the camera back before worrying about that -- I think my problem in that department was partly due to my need to learn the camera better, and partly do to the stuck shutter, which created too-shallow dof when I was trying to/expecting greater dof. So, I'll see when it comes back.

    Thanks to you all for your support and encouragement. This is a great community! When I get the camera back, I'll let you know how it's going.

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