Tamron MP3010M-EV, Technical Reference Manual

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Tamron Co., Ltd.
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3.9 AE Response
AE Response (convergence speed) function controls the exposure response speed.
Using the AE response function sets the automatic exposure response speed from the
fastest speed (01h) to the slowest speed (30h).
For example, with the fastest setting, if the headlights of a car are caught by the
camera, the camera automatically adjusts the exposure so that it can shoot a
high-intensity subject (in this case, the headlights). As a result, images around the
headlights, that is, the rest of the subject, except the headlights, becomes relatively
dark, and poorly distinguished. However, if the AE response speed is slower, as a result,
even if the camera catches a high-intensity subject (e.g., the headlights) for a
moment, the image surrounding the headlights can still easily be distinguished.
Data can be set using Direct Command in CAM_AE_Response Command.
3.10 Long Exposure (Slow Shutter)
In very dark environment, the long exposure (VISCA : CAM_SlowShutter Auto/Manual)
can get more bright image.
Using VISCA Command (Auto/Manual Command in CAM_SlowShutter CommandSet) can
set Slow Shutter mode. At Auto mode it automatically gets into slow shutter at AE Full
Auto mode and Iris priority mode. In Manual mode,
it won’t become slow shutter
automatically. It becomes slow shutter by setting shutter speed at Shutter Priority
mode and Manual Mode. Factory default is Manual.