Film Gate Components
Issue: 04/2011
The electronically controlled lens turret is suitable to change the lens automatically
when the corresponding format key has been pressed. Simultaneously the applicable
aperture is changed too.
Lens tubes with lenses
Latching solenoid
Sensor board (covered)
Manual focusing
Position lever for moving the
lens turret away from the gate
• To select a lens, push one of the
format buttons.
$The light barrier on the sensor
board senses the position of the
corresponding
coding plate (one coding plate for
one lens).
$The lens turret will stop at that
position and be magnetically
latched.
The lens turret/aperture changer control board (arrow, right gure) activates the turret
motor (arrow, left gure), which changes the lens via a toothed belt.
X
Z When changing the lens the aperture is changed too (see also chapter 3.2.4).
Z Initializing the EE-PROM should be only carried out by experts.
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