5 LENS ADJUSTMENT
5.1
MANUAL IRIS LENS
When using a manual iris lens, turn the iris ring on the lens to the OPEN
position and adjust the manual iris for the appropriate range. Adjust during
the brightest conditions, opening the lens without saturating the picture. Set
the EI switch to ON. Adjust the lens opening for the minimum F-number
yielding a good picture under the brightest scene conditions.
The manual iris is used in indoor applications where lighting from windows
can considerably affect the light level of the room.
5.2
A
Video-type Auto Iris Lens
To install and adjust a video-type auto-iris lens, do the following:
. Thread the auto-iris lens on to the lens mount on the front of the camera.
(See Figure 3)
13
FIGURE 3.
