[LargeFormat] Speed Graphic

[philip Lambert]

I just spoke to my highly experienced camera engineer friend who said the
quality of the Speed Graphic pressings was such that he wouldn't bother
messing around with it and I should stick with my Linhof.  Not everyone
would agree.  Does anybody know the minimum flange to film distance the
presence of a focalplane shutter on this quarterplate Graphic permitted?
What is the maximum bellows extension?  I did have a 23 Graphic and this one
is a size larger but not as big as 5x4..  I like the idea of a working focal
plane shutter as there are plenty of enlarger lenses around. My engineer
friend says enlarger lennses don't have the resolving power of camera
lenses.  I thought some Nikon EL lenses were quite good. Would anybody like
to give me the benefit of their views?  Philip
----- Original Message -----
From: "Les Newcomer" <lnphoto@ismi.net>
To: <largeformat@f32.net>
Sent: Monday, July 16, 2001 10:57 PM
Subject: Re: [LargeFormat] Speed Graphic


> They did make a roll back for the 3x4, but it isn't very good, very hard
> to find and very pricey.
>
> The Other options are to take a roll back for a 2x3 camera (Graphic, RB
> Mamiya, Horseman in acending order of quality) and make a spacer for it.
> The best, but labor intesive way it to make a 3x4 Graflock to 2x3
> Graflock. This way nothing old gets ruined. I've also seen the adapter
> permanently affixed to the roll back.
>
> The last option is to convert it to a Polaroid back. With a 405 pack
> back and the use of a table saw the conversion is quite good, not
> extremely difficult and has the advantage of a larger neg than roll
> film, will accept B&W, Color, P/N.  At least with this conversion you
> utilize the potiential of the camera.  with roll film, you might as well
> get a 2x3 Graphic.
>
> Les
>
> philip Lambert wrote:
> >
> > Anybody know a way of modifying a grey-black quarterplate (3.25x4.25ins)
> > Graphic with focal-plane shutter evidently in working order which has a
> > fixed groundglass and leather fold-up hood to use rollfilm? I suspect it
> > doesn't make economic sense but would like to know if it can be done, as
the
> > camera is in excellent outward condition.  Thanks   Philip
> >
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