Hi -

I just bought a cheap Wollensak Alphax shutter to use as a mount for a
pinhole/zone plate.  I don't know anything about it, but think that it was
one of those jobs that was modified for the speed reading/aircraft
identification system.   It came mounted on a flange that was glued to a
3X3 gel frame that was stuffed with three layers of Rolux-like diffusion
and one layer of an ND gel.  It has a huge 45mm (+/-) opening that's
stopped at f6.3-22, and has T,B and F as shutter speeds. ( All I need is T
or B.) 

Two Questions:

1.)  What's the cheapest, easiest way to mount the plate?  (I'd rather save
Steve Grimes for the big jobs.) I assume that I want to mount my plate near
the center to minimize vignetting, and there's a 1/4 in. ledge around the
diaphram that would allow me to do that with something as simple as a
couple of washers.  What do I use for a retaining ring? 

2.) What kind of cable release does this take?  It has a post, but it
doesn't seem to be threaded for modern CR's. 

thanks in advance,
heller 




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