Instruction manual

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Operation
Assigning F-Stops
for a lens with linear iris ring markings:
• Use the OPEN and CLOSE keys ➪ photo to precisely
position the iris ring either at the largest or at the
smallest full F-Stop.
• Push the F-STOP key ➪ photo and keep it pushed down.
Use the OPEN and CLOSE keys to move the iris ring
four F-Stops further. If you are at a T 2.8, for instance,
you should go to a T 11 (see graphic). The SET F-STOP
LED will flash while you move the lens ring.
• Release the F-STOP key. The SET F-STOP LED ➪ photo
will illuminate to indicate that a linear iris scale has
been memorized.
SET F-STOP-LED
NON LINEAR-LED
CAL key
F-STOP key
OPEN key
CLOSE key
linear iris scale
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