Panchromatic Specto 100, Руководства пользователя

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P a n chromatic Specto Projectors User Manuals
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These sizes are only approximate because Lenses which are
adjusted individually differ slightly from each other in focus.
The larger the picture the less brilliant it will be. The SPECTO Projector,
however, has such a remarkably efficient system of illumination that no fear of
dull pictures need be entertained in respect of any " throws "likely to be
achieved by the normal amateur projectionist.
The projector must be placed on a firm, vibration-free support. Should the
latter be somewhat too low in relation to the screen the projector may be
tilted upward, by means of its levelling screws, to the required height.
The rewind knob (see Fig. 2) must be in the position so that the red index
mark points directly to NORMAL.