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Re: [OM] Om-2000 no longer available??

Subject: Re: [OM] Om-2000 no longer available??
From: "Tom Scales" <tscales@xxxxxxxxxxxxx>
Date: Tue, 27 Nov 2001 09:05:43 -0600
Shouldn't matter, should it?  If it is focused on 35mmx24mm, it should still
be focused on the 1/3" CCD, right?  The difference in size causes the
multiplier effect where a 100MM becomes a 200MM (or whatever).

Focused is focused, right?

(This is where we need Tim to weigh in).

Tom

> Some extra "focusing" would be required, I think, as the existing setup
> focuses the image onto the film area (36mm x 24mm, isn't it ?) whereas the
> size of the CCD is a fraction of this.  We would need to have some kind of
> lens to "shrink" the image to fit the 1/3" or 1/2" CCD.
>
> Distance from the back of the lens should be, as you say, similar.  As
with
> the film, the image must be focused at the point where it hits the CCD.
Of
> course, the CCD is thicker than film, so the pressure plate may have to
come
> off & maybe a whole new (slightly deeper) back machined up.
>
> I thought of using the cylindrical spaces where the film "spools" normally
> go for the electronics.  Maybe use the winder if there wasn't enough
space,
> or for a large capacity memory card.
>
> The biggest problem I have come up against when thinking about this,
> however, is the size of the CCD surface compared to that of the film.
> Anyone got any thoughts ?
>
> Jon
>
>



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