Archived posting to the Leica Users Group, 2002/11/30
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On 30 Nov 2002 at 11:14, Nathan Wajsman wrote:
> Hi Willem,
>
> I am surprised nobody has asked this obvious question: what are you
> going to do with it ???
Adding to my collection of course, why?
;))
As if I had a choice at all....it would have gone to the *crusher*,
if I hadn't picked it up....8-))
(have seen (heard) that happen a few years ago with 3 units at the
University of Muenchen, and the same happened a long time ago at the
University of Muenster (where my 700/3.5 lens came from).
Also, after more careful study of the diaskop mechanism, I now also
understand why the slides go in horizontally, instead of vertically
(as with any other (Epi)Diaskop (I have 3 more Diaskop's from the
late 60's, and one Epidiaskop from the early 30's))....being
horizontal, you can push a new slide in (onto a sled-mechism), while
darkening the previous one; then pull out the previous one, at the
same time as the new one drops down one stage....very nifty, no white-
out fase on screen, only a blackout-stage.
(have been pondering about an auxiliary dissolve-system on my
Diaskop's....slide-changing is all manual of course, but that hardly
matters once the screen doesn't go white or black anymore....4x5"
slides (or 6x12cm in my case) want to be projected a bit longer than
35mm....;))
Sjeesh....'what are you going to do with it'....of all mailinglists,
this one would have been the last to expect such a silly rational
question....I believe even shame and excuses are in order here, young
man!....now go wash your mouth!....;))
PS: there are folks who collect similar large cinema-projectors,
category 'a shed full of them'....and measly me, I have only
one!....;))
- --
Bye,
Willem-Jan Markerink
The desire to understand
is sometimes far less intelligent than
the inability to understand
<w.j.markerink@a1.nl>
[note: 'a-one' & 'en-el'!]
- --
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