58Electronic Shutter (ES)XT Camera System Manual |
ISO value
Shutter Speed
White
Balance
File
Format
Delay
Capture
IQ Style
Aperture value
Black Frame Calibration
Capture Button
Live View
Using Electronic Shutter (ES) without the
XT Camera Body
When using the Electronic Shutter on the IQ4 with another Technical Camera
than the XT Camera Body, you can control the shutter speed and other
exposure settings via the Camera Controls on the IQ4 touch screen.
As a new feature on the IQ4, you can now do the wake-up step directly from
the IQ4 touch screen. This only requires using the new Multiport to PC-sync
cable (part number 50300298). If you prefer to use a two-shot release
operation instead, it can still be accomplished, and requires the new Multi
Connector to Minijack adapter cable (Part number: 50300306) since the IQ4
now uses a 12-pin multi-connector port.
Please read the next page in this chapter on how to use these two cables with
the IQ4.
Setting the Exposure
Using the Camera Controls to change the exposure settings are
straightforward - simply touch the shutter speed or ISO value icons to change
them. Please see the Camera Controls chapter for more information.
Note that since the aperture is set on the technical camera’s lens (if not using
a XT Camera), you will need to enter the used aperture value in order for it to
be written correctly into the metadata of the image.
Be aware that you cannot adjust the Shutter Speed value in Camera Controls
when Electronic Shutter (ES) is turned O. This is by design, as the IQ4 will
then assume that shutter speed is being controlled by the mechanical shutter
on the Tech Camera.
Self Timer Delay
It is possible to specify a delay from when the Capture button on the screen is
pressed until the image capture begins. Just tap on the Self Timer Delay icon
and choose the desired value. The delay is then displayed on the Capture
button. Once you press the Capture button, a countdown will appear until the
image capture begins.
Black Frame Calibration
The new Prerecorded option for black reference frame recording on the IQ4
150MP will provide a faster capture. The option is a parameterized,
prerecorded method, thus removing the need for the black reference frame
recording that is normally needed after each new image capture.
The option is particularly useful when shooting with the Electronic Shutter
with technical cameras where it will lead to a much faster workflow.
Note that since the Prerecorded option is not captured under the currently
used camera settings and lighting conditions, it may not provide quite the
same level of noise reduction at the pixel level as the traditionally recorded
black reference frame. It is only available on IQ4 150MP models, and not the
IQ4 100MP Trichromatic.
It is currently not recommended to use the option for shutter speeds longer
than 1/10 second.
You toggle it on and o by tapping on the Black Frame Calibration icon (see
the illustration on the left). If there is no blue dot by the icon, the IQ4 is using
Prerecorded, while the blue dot indicate the use of a traditional black frame
calibration.
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