I have a Canon 200D am I'm looking for a way to shoot a sequence of 10 pictures with a high exposure time (8s), minimizing the delay between the end of one exposure and the beginning of the following. For me would also be ok to record a movie with a very low framerate (< 1fps), given that I can have a 360° shutter.
I've set the camera in continuous mode, but there is a pretty high time of no exposure (0.5s)
I've kept the camera in continuous mode, but I've enabled the mirror lockup function to avoid at least the time needed to lower and raise the mirror at every frame. With the lockup enabled, I cannot shoot in continuous mode.
In video/timelapse mode, I've set the interval to 8s, but I cannot set the exposure time to 8s.
I've connected the camera to an OrangePI and, using gphoto2, I did the following:
gphoto2 --set-config-value /main/capturesettings/shutterspeed=8 \ --set-config /main/capturesettings/meteringmode=1 \ --set-config /main/capturesettings/drivemode=1 \ --set-config /main/settings/capturetarget=1 gphoto2 --capture-image --frames 10 --force-overwrite
But I get:
ERROR: Could not capture image. ERROR: Could not capture.
I've tried also many other parameter combinations but without luck.
I've installed the INDI server and Ekos on my computer and I've configured the latter to take 10 photos in sequence, but the delay is even worse, as Ekos wants to download the current frame before starting capturing the next.