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for larger venues. It was still simple in use, due to the ‘open Automatic’ in which film could be put in
automatically as well as by hand.
P7 Studio. This two tone studio projector had on the side of the perforated magnetic tape a soundhead
unit that consisted of an erase head and a combined head for recording and reproduction plus an extra
head for checking on the recorded sound intended as an after check. At the same time it was possible to
change from the border to middle track. This unit could be replaced by a unit for four tracks. So now
four different kinds of accompanying sound could be recorded, but only one at a time be reproduced. A
prototype, the P7 Analysis, was built for single image projection with a search system, but it remained
a prototype.
In the meanwhile the Americans and the Japanese were covering the market with projectors that made
it possible to change the film at any given moment without the hassle of forward and rewind. Schools,
in particular, wanted this feature. Bauer solved this problem with the Bauer P8 Selecton.

This projector has electronically arranged reels, a friction drive and a moveable catcher to be able to go
forward or rewind at high speed, seven times faster than normal. So the film need not be removed from
the projector to show a different scene. For films with a special sequence a scene programming unit
could be built in. So it became possible to start the film automatically on the right scene and, after
showing, direct it back to an earlier part of the film. Bauer was the only manufacturer in the world to
offer this feature and it was applied to the following
models:
P8 L Selecton for optical sound reproduction.
P8 T Selecton for optical and magnetic sound.
P8 M Selecton for magnetic sound recording and
optical and magnetic sound reproduction.
Naturally it was possible to project still images and
there was also a slow projection of 12 images per
second.
This series, introduced in 1980, was expanded with
the replacements of the P7, namely the P8 Universal
series consisting of the P8 S, P8 L and the P8 T.
Pic. 12. P 8 Selecton. Model M was cancelled for the P8 Universal series.
The amateur way of synchronising of 16 mm films was not a success.
Technically the P8 series was also different: the projectors were supplied with electronically controlled
even-power motors and a toothed belt was introduced. In 1982 the Marc 300 lamp, was replaced with the
HTI halogen metal vapour lamp, which made the P8 T 400 capable of better projection in larger venues.
For all these projectors a broad range of projection lenses were
available:
Isco 1: f/1.8, 10mm for the corner mirror
Isco 1: f/1.4, 25 mm.
Isco Kiptaron 1: f/1.2, 50 mm
Astro Kino color 1:f/1.6, 75 mm
Astro Kino color 1:f/1.6, 85 mm
Astro Kino color 1:f/1.8, /100 mm
Isco Vario 1:f/1.3, 35-65 mm
IscoVario 1:f/1.8, 20-60 mm
Anamorphot 35 mm and 50 mm lenses.
Anamorphot 50 mm and 100 mm lenses

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