[MF3D.FORUM:74] Re: New viewer for least talked about format

[Brian Reynolds <reynolds@xxxxxxxxx>]

Sam wrote:
> After turning a friend onto 3d, he wanted a to get into the field with
> camera that had the appeal of the Victorian era. Not being able to afford a
> real stereo tailboard camera, he picked up an old 4x5 for $90 that had a
> sliding lensboard. He then came up with a great viewer for it. 
> 
> There's some pix at:
> http://www.cadvision.com/3dhacker/dviewer.jpg
> http://www.cadvision.com/3dhacker/dviewsd.jpg
> 
> I'm not sure why it's been neglected, but two stereo pairs on 4x5 film has
> a lot of advantages: Rise and tilt, excellent optics, budget for all
> expenses, lots of film choices, duping capability,etc. I was amazed at how
> much depth was attended from the 2 1/4" stereo base, and it's great for
> portraits. His first attempts were with a single lens slide to the left and
> right, but now he has  two identical enlarger lenses mounted side by side.
> 

This is very cool.  Do you have any pictures of his camera?  Are the
enlarger lenses mounted in shutters?  If so, where did he get
shutters small enough to allow 2-1/4" spacing?  If the lenses aren't
mounted in shutters, how does he control exposure time?

Pinhole Reseource <URL:http://www.pinholeresource.com/> used to make a
stereo version of their Leonardo pinhole cameras.  They're not listed
on the web page, and I don't know if they are available anymore.

> Regarding the viewer, it comes apart for storage, and the drawer holds the
> stereo views. Another great advantage is that the large optics from a pair
> of used 7x35 binoculars are the perfect focal length for this format!
> 
> Darcy would appreciate any comments you may have on his creation, and he'd
> be honored if his viewer can go on Robert Thorpe's MF Viewer page.
> 

The viewer looks great.  Can it be removed from the base for handheld
viewing?

Maybe it's time for me to visit the junk dealers on Canal St. and see
what binocular optics I can find.

-- 
Brian Reynolds                  | "Dee Dee!  Don't touch that button!"
reynolds@xxxxxxxxx              | "Oooh!"
http://www.panix.com/~reynolds  |    -- Dexter and Dee Dee
NAR# 54438                      |       "Dexter's Laboratory"