On Tue, Jan 31, 2012, at 06:20 PM, C.H.Ling wrote:
> I just made a test with more control on the lighting and focusing. A
> spirit
> level is used to ensure things are well aligned. It is really difficult
> to
> choose a flat object, finally a printed matter is used.
>
> Testes were made with flash bounced off the wall. Flash is used to ensure
> vibration effect is minimal. Focus is done with liveview at max aperture.
> The magnification is around 1:4. The result said for itself.
>
> 5D II, F11, RAW converted with DPP, sharpness=0. 8MB each
>
> http://www.accura.com.hk/temp/IMG_6381_50F35-11.JPG
>
> http://www.accura.com.hk/temp/IMG_6380_90F2-11.JPG
>
> http://www.accura.com.hk/temp/IMG_6382_135-11.JPG
I don't see a lot to choose from in terms of sharpness. I looked at
100% and screen sizes and get the same impression. The main differences
seem to be in contrast. The 50 and 90 seem to have a similar amount of
contrast, though the impact of it is different, with the 90 seemingly a
bit more pleasing to my taste. The 135 seems a little softer in
contrast, perfectly fine but a little less exciting. I'm not at my best
monitor, so I'll reserve a little judgment and give it another look
later.
Joel W.
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