[MF3D.FORUM:623] Re: Thanks Paul

["Don Lopp" <dlopp@xxxxxxxxxxxxxxx>]

Bill..I find shutter speeds not to important as I seldom use speeds faster
than 1\25 of a second usually on a tripod Don
----- Original Message -----
From: "Bill Glickman" <bglick@xxxxxxxx>
To: "Medium Format 3D Photography" <MF3D.Forum@xxxxxxxxxxxxx>
Sent: Monday, May 29, 2000 10:07 PM
Subject: [MF3D.FORUM:613] Re: Thanks Paul


> Stuart
>
> You wrote:
>
> > By the way kevin,  I really hope you consider DUAL cameras as you will
> have
> > even more enjoyable results if the two images are snapped at the same
> time.
> > The little differences that pop up (literally) when using a slide bar
can
> > ruin an otherwise good picture.  The mind instantly recognizes
> imperfections
> > like a leaf out of position, a flag furled differently, etc...
>
>          I have been contemplating this exact issue.  Maybe you can offer
me
> some insight.  I have two M7's now, and my missing link is the inability
to
> snap both shots at once when the camera spacing needs to be 65mm.  (Due to
> the cameras inability to get this close)  I was wondering when shooting
> landscapes shots, how critical this is... From what you write above, it
> sounds like even the slightest leaf or branch being out of place will play
> havoc with ones ability to fuse subjects.  I kind of suspected this, but
> have no base for comparison, since I never had the ability to try this
both
> ways.   Do you find that snapping both shots at once is critical some of
the
> time, most of time or almost all the time?  Thats what I am trying to get
> the feel for....  Any input in this area would be very helpful...
>
> I can probably guess this dual firing is very critical.... if so, what are
> some recommendations on newer MF camers that can acheive the critical 65mm
> spacing, can be fired siumltaneously and also offer interchangeable
lenses?
> It seems most of the new box type cameras by Mamiya, Hassy, Rollei,
Bronica,
> etc. are way to big,  preventing the desired 65mm spacing.
>
> If I were to mount my two M7 80mm lenses on a view camera lens board, they
> still will not be 65mm apart, but can get to about 70mm.  Will this extra
> 5mm spacing ruin the desired effect?  Or would it go un noticed as long as
I
> am not shooting very close objects, like 3ft.   If this is feasible, I
would
> consider putting 2 M7 mounts in a Toyo lens board,  focus via the ground
> glass, and then insert a 6x12 roll film holder (with a slight bit of
> modification) and get two 6x6 chromes.  Of course I would need a light
> divider inside the bellows.  I can link the shutters electronically.
> I have considered using LF lenses, but they will not get much closer, and
> they do not seem as ideal as MF glass since the MTF curves on LF lenses
are
> not optimized until f16 and higher, while  MF glass is optimized at the
> wider and faster apertures... and speed seems a great advantage in MF 3d.
>
> Any holes in my thinking?
>
> Regards
> Bill G
>
>