Chapter 8 Capturing Images with Advanced Setting Menu
83
Photographing and
Playing Images
Program AE setting
The table below shows the maximum camera gain and the longest exposure time for program AE.
DS camera head Camera gain Exposure time
DS-Fi2 630 1 s
DS-Fi1 / Fi1c 630 1 s (60 ms for ROI-S)
DS-Vi1 630 1 s (60 ms for C.SCAN)
DS-Qi1Mc/Ri1 630 1 s
Focus-priority mode and focus assist mode
Differences in the DS-L3 operation process between using the focus-priority mode and focus assist mode are as
follows:
• When [F.AE] (focus priority) is selected with [EXP MODE] button
If brightness of a subject changes as objectives are switched or diaphragm is adjusted, the camera gain is
automatically adjusted to minimize user’s task of focusing. Camera gain: 4600 max; exposure time: 150 ms max.
• When the focus assist mode is selected with [F MODE] button
As [F MODE] button is pressed, F.AE automatically adjusts the exposure, then the exposure mode changes to
[MANU] automatically. Using the [F MODE] is suitable for application where switching of objectives or illumination
is less frequent. Camera gain: 4600 max.
Exposure time for the F.AE (focus priority) mode
The maximum exposure time for the F.AE mode depends on the DS camera head used and the setting for [IMG
MODE]. See the table below for details.
DS Camera Head FULL 2x2 4x4 FAST ROI-L ROI-S
DS-Fi2 100 ms 60 ms 40 ms 60 ms 60 ms 30 ms
DS-Fi1 / Fi1c 200 ms 100 ms 80 ms 100 ms 100 ms 60 ms
DS Camera Head FULL 2x2 FAST C.SCAN
DS-Vi1 80 ms 40 ms 40 ms 40 ms
DS Camera Head FULL 2x2 4x4 ROI-L ROI-S
DS-Qi1Mc 60 ms 40 ms 30 ms 60 ms 40 ms
DS Camera Head FULL ROI-L ROI-S
DS-Ri1 60 ms 60 ms 40 ms
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