P3D Re: beamsplitters (stereo adapters)

[michaelk@xxxxxxxxxxx (Michael Kersenbrock)]

> >RE: Boris want more information on beam splitter. The StereoTach
> >type modernized as the Pentax suffers from two bad faults.
> >  1: tilting fore and aft rotates images so camera has to be level in
> >two axis.
> 
> I don't understand this.  Does this mean I cannot tilt the camera (and
> splitter, as attached) up or down?  Like if I want to take a shot down a
> staircase?
> 
> How could this possibly cause image rotation?

I'd also want to know that.  I've a stereotach that I haven't used
as yet (mirrors need to be glued back in place) but have used a Pentax
splitter/adapter for quite a long time, and at first glance, they
look to be the same in principle.

I haven't noticed  that fore/aft angle made a difference.  It's
always worked just fine, pretty much like a realist (in terms
of only needing to keep things level in left-right direction).

If you look at my "chicken picture" ( http://www.photo-3d.com ) the
photo is looking down at the chickens at maybe 45 degrees.  Now
the original picture was poorly done for a number of reasons, and
the $5 scan adapter really didn't work all that great -- but I
don't see an obvious rotation problem.  Does anyone else?

Mike K.


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