Dear C.H. Ling,
This is exactly what I mean. Nice example, even concentrating on the
center the image is so blurred and it lacks of so much deail that you´ll
need a PS unsharp mask of 200 and radius of 2.0 to sharpen the image.
This is the main problem of 35 film images. The second one blows away
the first one.
There is no point seeing a higher number of pixels with more blurred detail.
If bayer pattern in the second image could be removed, 5Mp would be
plenty enough to blow away 35mm images in clarity and definition.
Now try to select something inside the 35mm image with the PS magic hand
tool, due to the lack of contrast detail, etc... it´s almost impossible.
Digital SLR images have contrast, detail and it´s much easier to work
with them. Believe me that it was a nightmare to retouch 35mm images
some years ago.
Regards,
Dave
.H.Ling escribió:
> I can't agree with you, E-1's resolution is far from 35mm film can provide.
> Here are two shots I took in 2004 (sorry, some might have seen them in
> previous discussion ).
>
> OM4Ti 21/2 at F5.6
>
> http://www.accura.com.hk/P_06.jpg (3.3MB)
>
> E1 with 11-22 at F4 1/800s
>
> http://www.accura.com.hk/P8193517.jpg (1.2MB)
>
> Please just concentrate on the center resolution, as my 21/2 seems to have
> some problem on the edges. Check especially the lamps inside the shop.
> The film shot are clearly MUCH better.
>
> I'm enjoying my OM-5D II's 21MP quality, just love the fine details in the
> images.... may be I will try to make a Velvia 50 comparison again:
>
> OM-5D II, 35-70/3.6 at F5.6
>
> http://www.accura.com.hk/temp/IMG_0845_F.jpg (6.5MB)
>
> C.H.Ling
>
>
> ----- Original Message -----
> From: "David Irisarri" <div2000@xxxxxxxxxxxxxxxxx>
> To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
> Sent: Monday, February 09, 2009 11:08 PM
> Subject: Re: [OM] E-3 versus E-1 - pictures better with E-1
>
>
> Hi all,
>
> I think we are taking fourthirds system to the limit ;) Some days ago I
> was scanning some Ektachrome E100 slides with Kodak T-grain, supposed to
> be a very fine grain reversal film. Even using the sharpest (50mm f2) OM
> macro with this film and then scanning it with my Nikon LS-4000ED
> quality of image is lower than E-1 5Mp camera. Please don´t tell me
> things like film curvature as I divided the film in 64 cells, then
> scanned every cell and finally I stitched all of them. Image was
> perfectly focused (corner to corner) but effective resolution isn´t 4000
> dpi at all. There are lot of space between silver halide particles and
> resolution is very poor. Digital sensors give much higher resolving
> power with less megapixels.
>
> Do you think future cameras will have more than 20Mp??? IMHO 15Mp is
> plenty enough and please take into account bayern pattern will disappear
> in a near future, so effective resolution will be a true 15Mp image. No
> more interpolation required for generating an image from surrounding pixels.
>
> So although diffraction limit is a problem in small sensors I am
> delighted with my Zuiko Digital 50mm f2 results at f16. Quality is hair
> raising. I don´t miss OM-SYSTEM at all regarding to image quality. I
> miss other gadgets like multi-spot metering.
>
> Something I wonder is... if airy disk is a general fall-off with a
> penumbra, do microleses help to prevent this fall-off penumbra light
> reaching the photodetector? I also suppose a telecentric system also
> reduces this effect in the corners of the image, doesn´t it?
>
> Regards,
>
> Dave
>
--
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