[rollei_list] Re: 6 x 9 search

Richard, focusing a 60ish mm lens on 2-1/4 x 3-1/4 is largely a
function of loosely remembering the DOF table... at f/16 you are in
from 7 ft - inf and at f/22 5 ft - inf...

Eric Goldstein

--

On 8/30/07, Richard Knoppow <dickburk@xxxxxxxxxxxxx> wrote:
>
> ----- Original Message -----
> From: "Eric Goldstein" <egoldste@xxxxxxxxx>
> To: <rollei_list@xxxxxxxxxxxxx>
> Sent: Thursday, August 30, 2007 11:48 AM
> Subject: [rollei_list] Re: 6 x 9 search
>
>
> > Jan -
> >
> > The Busch will handle a 55 - 60ish mm lens but not the
> > Speed because
> > of film to flange distances. The Busch's design makes
> > shooting wide
> > much easier. You are outside of rangefinder range with
> > both cameras
> > shooting wide and into composing/focusing on the GG. I use
> > an
> > Adapt-a-roll, which can easily take a 120 feed spool and
> > has a big
> > live image area.
> >
> > Not much info onthe net I can find:
> >
> > http://www.xs4all.nl/~lommen9/Busch/index.html
> >
> > http://www.buggrit.com/pressman.html
> >
> >
> > Eric Goldstein
> >
> > --
>
>     I have a Miniature Speed Graphic, this is the 1939
> version. The standard can be clamped to the stub end of the
> track in the camera box but focusing of a WA lens would be a
> PITA. In the Pacemaker 2x3 Speed Graphic the camera box end
> of the focusing track is coupled to the track so that wide
> angle lenses can be focused using the focus knobs. My 4x5
> Speed Graphics will all take a 65mm Super-Angulon on a
> normal lensboard and focus to infinity with it. There should
> not be a practical limit for the 3x4 S.G. or Crown Graphic.
> In the 4x5 cameras the back of the lens will hit the ground
> glass before its at the minimum point on the focus track.
>     I don't remember how the Busch cameras are set up. I had
> a 4x5 Pressman years ago but the same burglar who got my
> Cord IV got that too.
>
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
> ---
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