I must need some new eyes. I scanned your image twice looking for that
faint horizontal line and didn't find it. But the sun is shining.
Maybe my room it too bright.
Mirror lockup. I assume it's still the same old Canon problem of having
the mirror lock deep in the menus under custom functions?
Chuck Norcutt
C.H.Ling wrote:
> As promised, here is a OM-5D II mini review. Sorry, I have only wrote what
> concerned me most but if you have any questions just let me know.
>
> * Handling
>
> I will not talk too much here, it is very personal and not my prime concern,
> of course I like the E-1 much more, at least it is lighter. To use the
> camera with heavier lenses has to be more careful about horizontal, I had
> some pictures that are counter-clockwise rotated, may need to consider the
> vertical grip.
>
> * Vibration
>
> The mirror vibration of the camera is quite strong, to make use of the high
> resolution you need a heavier lens for the long shoot and hold the camera
> firm even with a wide angle lens. My Tamron 70-300 is a good example, the
> lens affected by the vibration so strong that I can never get a sharp image
> at 1/60s handheld even sit while I can do with the OM 50-250 at 1/30s
> occasionally. Of course you can use mirror lock up or live view to reduce
> the vibration to almost nothing.
>
> * Manual focusing
>
> With standard screen, it is good for lenses of F3.5 or slower. I have
> changed the screen to A900 type M (manual focus), the precision is very high
> with all lenses, even the 21/2 focus very well but the problem is a darker
> viewfinder and vignetting with some wide angles. The Canon EG-S which
> designed for MF is not available here yet, it should solve the vignetting
> problem but don't know how well it focus.
>
> BTW, my camera came with MF system shifted, I have to modify the focusing
> screen spacer to get an accurate focusing.
>
> * Exposure
>
> The exposure accuracy is not very stable with stop down, it varies from lens
> to lens. Anyway, I use RAW so it is not much a problem for me. I have also
> enabled the highlight warning to avoid over exposure.
>
> * Dust
>
> I have been using the E-1 for four years, dust was never a problem. For the
> 5D II, I got a few pieces of dust just after used for one day. The big ones
> has been blew away, for the one that only visible at F16 I just ignored
> them.
>
> * Pixel resolution
>
> Very fine, similar to the 40D I had, better than the E-3. I have the feeling
> that some of my OM lenses (at least the 24/2) resolve more than 21MP, could
> benefit from a sensor of 40MP or more. At such high resolution, the safety
> shutter has to be increased.
>
> * High ISO performance
>
> - without NR
>
> Excellent, ISO3200 is very good, around 1 stop better than my 40D and there
> is no hot pixels. At ISO6400 there are a few hot pixels and my camera shown
> a faint horizontal line of a few pixel wide running a little more than half
> of the frame. Here is a sample at ISO2000 DPP +1.67 stops, equ. ISO6400, OM
> 50-250mm:
>
> http://www.accura.com.hk/temp/IMG_2729.JPG (9.5MB!)
>
> - with Canon DPP NR
>
> At a NR setting of 12/12 (Luminance/Chrominance) the above problem is
> 'almost' solved unless you know the line was there before, the image is very
> clean with the expenses of resolution. Same image as above with NR:
>
> http://www.accura.com.hk/temp/IMG_2729_CNR.JPG (4.1MB)
>
> Actually, I prefer to use NeatImage, which clean the image with little loss
> in details.
>
> http://www.accura.com.hk/temp/IMG_2729_Neat.jpg (6.9MB)
>
> * Color
>
> I can only say the color accuracy of the camera is very high, same also
> reported by Pop Photo. But as I have mentioned before I prefer the Olympus
> color more.
>
> C.H.Ling
>
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