That's actually what I thought too.. a bigger frame the screen sits in. A
bit confused now. And not very impressed I have to refine my framing method
or be faced with hours of PS cropping (anyone know if there's a batch crop
function?)

Regards,
Ryan


----- Original Message ----- 
From: "keller.schaefer" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, September 01, 2004 9:39 PM
Subject: Re: viewfinder magnification


> I don't quite buy that. What determines the size of the viewfinder image
is the
> size of the frame the screen sits in (as long as we are talking +/- a
> millimeter). Make that frame a little bit larger and you have a 100%
> viewfinder. Of course, all elements that attach to the mirror box have to
be
> 'accurate' but I don't see why that would be so difficult here. Even with
a
> 90% viewfinder I would have hoped that what I see is from the center
portion of
> the image, not from an edge...
>
> I have always argued the *practicality* of any 100% viewfinder. A 95%
finder
> already shows *almost all* of the image: 95% of 24x36 is 23.4x35.1
> mm (for APS-C it is 23.5x15.7 vs. 22.9x15.3). No matter what application
you are
> thinking of for either a negative or a slide, you will have a hard time
> actually *using* more than 95% of it. A slide frame will cut away about 7%
and
> any lab (including home printing) will probably cut away more. In that
sense it
> is *correct* to show 95% as it gives you a better indication of what you
will
> eventually get than 100%.
>
> Sven
>
>
> > Zitat von [EMAIL PROTECTED]:
> >
> > > >
> > > > I believe the manufacturing tolerance of a 100% viewfinder is way
too
> > > > difficult and expensive. It is not difficult to understand why once
you
> > > have
> > > > seen how the viewfinder is assemlbed. Every piece has to be 100%
accurate
> > > > (mirror, screen, pentaprism, eyepiece). Besides, even if the factory
> > could
> > > > do it at reasonable cost, the regional service centres can't.
> > > >
> > > > Alan Chan
> > > > http://www.pbase.com/wlachan
> > > >
> > > > >This is probably a silly question which has been discussed to bits,
but
> > I
> > > > >was wondering if someone could give me the quick answer as to why
it was
> > > > >too
> > > > >hard to put a 100% viewfinder in the ist D (as opposed to the
> > 90something
> > > > >percent..)
> > >
> > > I think it might be too expensive.  It might have other tradeoffs in
> > > things like viewfinder image size.  It's not impossible--most if not
all
> > > of Nikon's F-series pro cameras have 100% viewfinder coverage and I
> > > believe at least one of their new pro digital cameras has 100%
viewfinder
> > > coverage.  Shouldn't it even be easier given that the image area isn't
as
> > > big as the image area of film?
> > >
> > > OTOH, most Nikons have HUGE pentaprisms.  That's not very Pentax-like.
> > >
> > > DJE
> > >
> > >
> >
> >
> >
>
>
>
>


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