Hardware Reference
In-Depth Information
-F
The number of frames to capture in a row.
-I N
The time to wait between frames in seconds, specified by N .
--force-overwrite
Overwrite files without asking.
Finding More About Your Camera
To discover a stunningly large amount of information about your camera, from the
serial number to how charged the battery is to whether the flash is on, and probably
quite a few things that you aren't even entirely sure what they mean, run the summary :
$ gphoto2 --summary
Some cameras will take photos at regular intervals for you. Some will only do it for a
few shots and then stop. You can use gphoto2 to do so at an interval you specify. This
is great for everything from science fair project displays to making composite photos
to time-lapse videos of all sorts of things. To take photos at continuous intervals:
$ gphoto2 --capture-image --I 30
The I stands for “interval,” and the number after it is the count in seconds between
photos. It will continue indefinitely (or until the battery dies). Put your camera on a
tripod and let it go. If you would rather it stop after a certain number of photos, add
--frames 5 and specify the number of shots you'd like it to take.
You can also adjust most of your camera's settings from gPhoto. This is one way to
capture a long series of bracketed photos (for HDR photography, for example). Create
a file called bracket.sh with the following contents:
$ gphoto2 --set-config-value /main/capturesettings/shutterspeed=.1\
--capture-image\
--set-config-value /main/capturesettings/shutterspeed=.5\
--capture-image\
--set-config-value /main/capturesettings/shutterspeed=1\
--capture-image\
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