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* A alternating type switch is used in some type of lenses. In that case, the switch shall be depressed two
times in succession.
(J)
IRIS GAIN control
This controls the iris speed. The iris moves faster when the control is rotated clockwise. When rotated
counterclockwise, the response speed are reduced. 1-:lµnting
several times before stopping at the prescribed position) is caused if the speed is increased too much. The
control should therefore be set so that hunting does not arise.
@
Iris open control [ 0]
Adjust the actual iris to the open position when the iris control knob of the operation panel indicates
"open" during operation panel use.
@
lrisclosecontrol [C]
.
Adjust the actual iris to the close position when the iris control knob of the operation panel indicates
.. ; 4c".
·:
"cfose'..' during operation panel use.
**: Do not touch carelessly the iris open and close controls. since the items. 10 and 11 are set carefully
at the factory.
Attaching the filters
T wo types of filters can be attached to the hood
unit of this lens: 1, series IX-type filter and 2,
screw-in filter. The filters are attached differently.
( 1 ) S eries IX-type filter
Remove the ring indicated in the figure by rotating
it counterclockwise, fit the filter into the ring and
then screw in the ring.
( 2) Screw-in filter
Remove the ring indicated in the figure by rotating
it counterclockwise. Screw the filter into the screw
onto which the ring was screwed down. (Keep the
ring in a safe place so that it will not be misplaced.)
If the filter is screwd onto the ring directly with
out the ring having been first removed, partial lack
of picture may be caused.
Filter size: 86P1 (86 mm diameter, 1 mm pitch)
l
32
(J)
IRIS GAIN control
(a.
condihon in which �the iris ring oscillates
Hood
Filter
(series IX-type)
; 1 - - '
I
i
..-- I
Filter
(screw-in type)
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