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Re: [OM] Camera design question

Subject: Re: [OM] Camera design question
From: "Walt Wayman" <hiwayman@xxxxxxxxx>
Date: Mon, 7 Jan 2002 12:54:54 -0500
You definitely need some sleep, among other things.

Walt Wayman

---------- Original Message ----------------------------------
From: "Olympus" <olympus@xxxxxxxxxxx>
Reply-To: olympus@xxxxxxxxxxxxxxx
Date:  Mon, 7 Jan 2002 09:45:44 -0800

>Since I have not slept in over 40 hours..  the question probably 
won't make
>sense to me tomorrow.. but..
>
>As far as camera design, has anybody thought about designing a 
35mm more
>like a large format??
>
>Ground glass back, see the lens straight through, and the film 
FLIPS DOWN,
>in place of the mirror, there is no mirror, and there is no need 
for
>curtains either, the mirror duration would be it...  Straight 
passthrough,
>with the film flipping down for exposure time control.  This 
would make it
>very small, push that plane very far forward which means the 
camera body
>would be smaller, do a double spring and your shutter speed can 
be as fast
>as you want it to be (well, within mechanics limits), and because 
the film
>plane is closer, the lenses can be a lot smaller.  Parallax, is 
impossible,
>the image you see is slightly bigger than what would be on the 
film, but
>only by like 2-50r so; DOF preview is easy to do, and if you 
have a
>translucent LCD film in front of your ground glass, you can 
actually setup
>the composition, and touch the locations on the screen you want 
to do spot
>metering on.
>
>Am I smoking crack, or has something thought/done this before??  
Exposure
>can have instead of a mirror lockup, a "film lockdown" in the 
correct plane.
>
>The only difficulty is keeping the film plane rigid and 
consistant.  I have
>not figured out how to prevent light leaks to the film, as the 
film will
>have to cross two planes, but I'm working on it....
>
>maybe if I get some sleep, it'll come to me by the afternoon..
>
>Albert
>
>
>
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