running.
The configuration of illuminated markings will differ slightly bet-
ween screen types. Refer to the screen illustration on page 21 for a
specific description of each screen type along with its corresponding
Aatonite markings.
2.3 MIRROR SHUTTER
2.3.1 Concept
The reflex mirror shutter is designed to provide an optical path to
the viewfinder while the claw movement advances the film to the
next frame.
The shutter features a four-position user-adjustable opening:
• Standard 180° for filming
under standard 60 Hz HMI lighting at 24 fps _or_
under standard 50 Hz HMI lighting at 25 fps without flicker
• 172.8° for filming
at 24 fps under 50 Hz HMI lighting without flicker.
• 150° for filming
at 25 fps under 60 Hz HMI lighting without flicker.
• 144° for filming
to minimize the roll bar while filming an NTSC broadcast
monitor at 24 fps.
2.3.2 Adjusting the Shutter
To adjust the shutter opening, unscrew the blue shutter tool marked
Sh located in the hollow at the rear of the camera’s carrying handle.
Make certain that the battery is off the camera and remove the port
cap. Locate the tool guiding hole to the lower right of the inside of
the lens holder (see diagram). Gently rotate the shutter at its base
with your finger until the brass driving gear is centered underneath
the tool guiding hole. Insert the shutter tool through the guiding
hole and into the brass gear. Rotate the tool until the appropriate
notched shutter setting is reached; turning counterclockwise will re-
27
THE CAMERA BODY
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