1. Is there any histogram display (live or at least preview)?
2. Did you find it annoying that you can't set ISO Auto in PASM modes?
3. Could you please elaborate on noise?
No live histogram but pressing the exposure compensation button when in playback mode or in what Fuji calls their Preview mode (i.e.,it holds the last shot on screen before saving to card so that you can accept or reject it quickly) brings you directly to a histogram.
I spent over thirty years using film. No within-roll change of ISO, no easy mid-photo session change unless you wasted film or had a second camera body handy, etc., so from this perpective, lack of auto ISO in PASM modes presents no problem to me at all. You raise a consideration I didn't even notice. ISO is quickly changed with what Fuji labels the photo mode (F) button though it takes one or two more toggles of the memu/OK button to complete. Really very quick and easy, and I'm a guy who hates burrowing through menus and layers.
I'm a little hesitant to critique the image quality with surgical precision at this point since haven't had the camera very long. There are things to quibble with on this camera, I've mentioned some, but thats the worst of it for me so far. Overall, I haven't encountered a real dislike yet, and I usually do in just minutes with many of the new cameras as I play with them briefly at the camera stores. Having said that, I have seen some random one pixel type black specs creeping into some mid tones if I get too aggressive with post sharpening. But my sense is that you need to look at 100% magnification in photoshop to start getting alarmed with this, and it is easy to back off while still reaching good sharpness. Blue skies, which often cause a mottling type of problem for many small sensors, are very smooth, though not quite going to meet your Canon DSLR performance. I don't think it is realistic (yet) to expect Pro performance from small consumer level digital cameras, but I intensely dislike ones that have a distinct video look, the look you get when you try to stomp out noise with a heavy handed use of "dust and scratches" filters that kill the higher frequency detail. This is the major problem I see with many of the newest 5 and 6mp consumer cameras. I prefer an optical, film-like appearance, and the E550 images, though they are not totally free of the video look, are still excellent in my opinion compared to other models. My overall sense is that with careful upsampling and resizing in photoshop, I can make a very fine 11x14 prints with this camera, certainly at ISO 80 and 100, quite possibly at 200. Will try some prints hopefully this week. Haven't used ISO 400 yet, but at 200 this camera still outperforms any consumer model I've tried before. I'm very happy so far, and as many will attest, Fuji works hard at very pleasing color sensibility. There is a little red-turns-orange problem that Fuji seems to retain year after year, but my guess it that it is an engineering compromise to deliver beautiful skin tones. Very easy to correct this flaw in PS. Skin tones straight from this camera are lovely. I think that must be a Fuji trademark! Haven't spent a lot of time looking at color temperature performance. My shots so far have been on AWB with very good results. Good gray balance, and again, very beautiful skin tones.
If I sound overly enthusiastic about this camera, its not because I work for Fuji or something. Its just because I've had pent up demand for a pocketable digital camera that moves me up the image quality scale from what I have experienced to date with my S400 and that has more traditional controls laid out for photographers, not ones designed to outsmart novices at the expense of knowledgeable users. The E550 has met my expectation.
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Mark McCormick