Re: [photo-3d] Re: My RBT 101 Stereo Projector!

["Allan Griffin" <agriffin@xxxxxxxxxx>]

John Goodman asked a couple more questions following what Don Parks asked
about the RBT Stereo Projector and following George Themelis' excellent
report.

The whole concept of "what do you do when you get slide jams" is negative to
start with.  All shows should be pre-tested before showing to an audience.
Unless you do something stupid, there will be no slide-jams.  In the case
where you are trying out a few glass mounted slides with metal frames, these
must be tried out at home.  If there is a problem, the "fat" slide simply
fails to drop.  You simply reverse the tray travel, take off the tray and
examine the offending slide.  If you do something really stupid and jam the
motor (I did it once), there is a safety fuse which blows.  Remove the
problem, replace the fuse and away you go again.  Those who are into twin 2
X 2 projecting will be only too familiar with the experience of a slide
failing to enter the gate on one projector.  Its a similar situation.   Use
RBT or card mounts and you will not experience problems (use nothing thinner
than a card mount - no naked foils or the like). If you buy a RBT, be sure
to get a box of each of the fuse sizes used.  This can easily be overlooked.

Keep in mind, of course, that George T. is a bright boy.  He is mechanically
minded.  If you are not necessarily in one of these brackets, you will have
a slower learning curve than George.  You have to see one of these units in
operation, correctly used.  All this remote discussion has a smell about
it - of the kind that folks are looking for excuses why they should not buy
one rather than what are its true merits.

On the question of brightness.  The 250 watt lamps produce the brightest
projected stereo image that you would ever have seen.
I shoot on to a 6 ft high by 8 ft wide screen for audiences.  The image is
totally bright enough.  When I use a smaller screen in the occasional
domestic situation, the screen image appears to be a little over-bright, if
anything.  Further, the filtration, lens quality etc all add up to a totally
higher quality result than previously has been experienced.  Just wait until
you see some of your favourite slides (in suitable mounts) ran through the
RBT.  Its a totally new exciting experience.  I would like to see questions
more along the lines:  "When and where can we see the RBT in action"? than
stuff like:  "if I can't run a mixed bag of my old slides in metal frames
through it without problems, then it cannot be any damned good" for
instance. I like mine so much that I bought two and I have a time-code
dissolver for completely hand-off shows.  John Roll of Illinois also has the
same kind of set-up.

Allan Griffin
Australia




 

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