Re: [APML] Pentax 6X7

["Jim Janusz" <jjanusz@ix.netcom.com>]

Dean,

I agree with Rick.  Although I have used a 67 for many shots I have recently
tested a 6x9 Graflex back that attached to my 4x5 camera set up.  It is
basically vignetting free. see this link:

http://www.geocities.com/palmdesertratx/Page-New-16.html

Jim

----- Original Message -----
From: "Rick Thurmond" <thurmond@saber.net>
To: <astro-photo@seds.org>
Sent: Wednesday, October 31, 2001 2:14 PM
Subject: Re: [APML] Pentax 6X7


> Dean,
> In my opinion you don't need much of what a camera offers, only
> something to hold the film.  My camera is a Graflex 120 back attached to
> a plate with a ring that attaches to my Lumicon Giant Easy Guider.
> There is a picture of it at
> http://www.saber.net/~thurmond/astroequip.html
>
> There is no vignetting at all in this system.  The whole image the
> telescope produces is captured on the film, though it is not all usable.
>
> I have a separate focuser built around a ronchi grating.  With no
> shutter, I use a large piece of plastic to start and end the exposure.
> I cover the scope, pull out the dark slide, and uncover.
>
> I might start building and selling these cameras if there is any
> interest.
>
> --Rick
>
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