Original Message:
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From: Pål Jensen [EMAIL PROTECTED]
Date: Fri, 6 Sep 2002 19:32:36 +0200
To: [EMAIL PROTECTED]
Subject: Re: Pentax WILL (most likely) show a digital SLR at Photokina!
David wrote:
> Now we look at Pentax - Great 67, decent 645, and lots of support from a
> lot of users out there........BUT.... no interchangeability. Only
inserts.
> While it probably could be done, it would have to be done with Pentax's
> blessing and with their help. Pentax engineers would have to get
involved,
> perhaps more work than a "standard" interchangeable back ? Then we look
at
> the fact that any digital insert that would be made could ONLY be used
> within the Pentax system and would be totally useless if the 3rd party
> tried to adapt it to Bronica/Mamiya/Blad.
Pal wrote:
>The 645 has interchangeable backs. It's just that you can't change film
mid->roll without fogging the film, something that hasn't the foggiest
impact on >a digital back. It can easily be done.
>However, a more awkward technical solution than a digital back cannot be
>imagined. If they make one, it's only a preliminary solution. Pentax
>already has a digital 35mm slr. All they need to do is increase film-mount
>distance with approximately 1,5 cm's. Increase the size of the prism and
>mirror. Mount a 645 lens mount and a bigger CCD and the're all set. The
>same could be done for the 67 system. The 645's design is wholly dictated
>by the fact that the film run up-down. Without this limitation, and
without >a large film transport, a 645 digfital slr could be made at the
same size >as a Nikon F100 and look similar.
>Pål
True interchangeable backs would allow you to change mid roll - that's the
whole concept behind them. Pentax's backs, while being "interchangeable"
require you to fire off all the film, or fog it as you have suggested. So
the whole concept of interchangeability is lost.
With respect to the "Pentax already has a digital 35mm slr" - is this true
? or should it have read "If Pentax already had a digital 35mm slr". I'm
curious since if the former is true, then you obviously know something that
the rest of the world don't :-)
Cheers,
Dave
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