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Screens,
To moke the most of the light output and
optical performance of your projector, use a
good quality screen of high reflecting power.
You can obtain such screens - portable or
stationary types - from your photo dealer.
You can also use the inside surface of the
cover the pradovit to view your slides in
normal room illumination.
The Interchangeable Magazine.
The LEITZ interchangeable magazines hold
30 or 50slides. The slide compartments are
numbered. Transparencies made from black-
and-white negatives are inserted in the maga-
zine upside down with the emulsion side fac-
ing the lamp.
Reversal colour transparencies are also inser-
ted upside down, but with the emulsion side
facing the screen. When binding the trans-
parencies between 2x2 inch (5x5 cm) cover
glasses, mark the slide accordingly with tilt-
ing strips or spots.
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