Russell wrote:

> Olympus are building exchangeable lens cameras now which use
> solely EVF and no optical path.
> Referred to as "micro four thirds" format.

The only Olympus micro four thirds I've heard of is the E-P1 (aka
new Pen).  I have never heard it referred to as an SLR.


Olin wrote:

> However, my first impression is that I would find the low resolution
> getting in the way.  800 x 600 isn't anywhere near what the eye can
> see thru a optical viewfinder.  That's good enough to frame the
> picture

Not if the subject is moving.  And way not enough resolution.

> One advantage is that you're seeing exactly what the camera is
> seeing, not just optically but all the way to the finished picture
> (minus the resolution).  That sounds useful in tricky lighting
> situations.  For example, you don't have to guess how much of the
> foreground will be picked up when the sunset is exposed for maximum
> effect.

These assume that the dynamic range of the viewfinder is sufficient.
I'll believe it after I see it in action.  I've never seen an EVF
come even close

> It could also allow for in-camera adjustment on the dynamic range
> and shadow detail.

Even if the hardware supported this accurate a view, I don't see
how you could control the adjustments rapidly enough to capture a
changing scene -- it's fidly work that takes time you don't have
when taking the photograph.

> This is hard to do after the image has already gotten squased to
> 8 bits per color per pixel.

Much better results are achieved by using the raw mode (Canon: CRx;
Nikon: NEF) of higher end cameras where the actual photosite readings
are kept as 14 to 16 bit values  and the conversion is done later in
a higher end computer where you can see the resuls of your adjustments
and tweak them to get what you previsualized (i.e. with Photoshop or
equivalent).  Doing it that way is like night & day compared to
in-camera JPEG conversion.

						Lee Jones

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