Focus Operation; Iris Operation - Canon CN20x50 Series Operation Manual

5-2. FOCUS OPERATION

5-2-1. Manual Focus Operation
Far
Focus Ring
5-2-2. Servo Focus Operation

5-3. IRIS OPERATION

The iris operation mode can be switched between auto and manual with the iris operation mode change-
over switch.
5-3-1. Automatic Iris Operation
Iris Operation Mode
Change-over Switch
Focus Operation
Change-over Knob
Near
Focus Operation
Change-over Knob
1
When the manual focus operation is performed, set the
focus operation change-over knob to MANU. position.
NOTE
The lens may be damaged if the focus ring is turned
forcibly with the knob at the SERVO position.
2
Turn the focus ring to bring the near or far object into
focus.
1
When the servo focus operation is performed, set the
focus operation change-over knob to SERVO position.
2
Mount the accessory such as focus demand. For the
details, refer to the operation manual of accessories.
Slide the iris operation mode change-over switch to the "A"
position.
The iris operation is performed automatically by the instruction
from the camera, to keep the video signal level constant.
* The automatic iris operation may not be performed depending
on the types of cameras.
E15
5 OPERATION