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Custom DRES
(for HX cameras)
The HX camera can have custom settings in the DRES mode.
Dual : Method using a two stage shutter (dual slope).
Triple : Method using a three stage shutter (triple slope).
Dual
Triple
Each type of exposure time is shown on the graph for numerical confirmation (0.1μ sec units).
SH : Exposure time for low brightness. The same value as the shutter setting.
DRES1: Exposure time for high brightness. Set shorter than the normal shutter.
DERS2: Exposure time set even shorter for high brightness portions. Can be used when triple
is selected.
Also, the graph corresponding to the shutter/property selection is shown on the confirmation graph.
Shutter:
Graph showing each type of exposure time and the timing.
Properties:
Graph showing the properties of the values for the brightness of the light
source.
Check the fit display and the display range of the light source brightness is
automatically adjusted.
Select Dual/Triple for slider operation or numerical input of each exposure time.
Dual values adjust the SH and DRES1 ratio.
Triple values adjust the DRES1 and DRES2 ratio.
Press the button below the confirmation graph to easily set the exposure time.
LOW
Ratio corresponding to about 400% of the dynamic range.
MID
Ratio corresponding to about 800% of the dynamic range.
HIGH
Ratio corresponding to about 1600% of the dynamic range.
+LOW
Ratio corresponding to about 3200% of the dynamic range.
+MID
Ratio corresponding to about 6400% of the dynamic range.
+HIGH Ratio corresponding to about 12800% of the dynamic range.
Select Dual/Triple and specify each exposure time with the slider or numerical input.
Dual
Adjust the SH and DRES1 ratio.
Triple
Adjust the DRES1 and DRES2 ratio.
If the exposure time on the confirmation graph is shown in red, the DRES mode cannot
be used properly.
The following settings must be changed.
・
Lower the frame rate
・
Extend the shutter settings
・
Extend the DRES1 and DRES2 times
Caution
Содержание SP-642
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Страница 19: ... 00292 H 1 1 1 Overview ...
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