gPhoto2 Image Capture on the Mac.

This is a good place to start
gPhoto Primer.

Installation:

• Install X11 and the Developer Tools from the OS Install Disc
• Download the Most Recent MacPorts for your Platform (It used to be called DarwinPorts) and install.
• Install gPhoto

• sudo port install gphoto2

• Install proctools

• sudo port install proctools

• I didn't bother with trying to upgrade gPhoto to the most recent version.

Installation:

• Make sure nothing else has access to the camera, and kill any other possible gphoto instances.

• pkill PTP

• pkill gphoto2

Setup Camera:

• gphoto2 --set-config capture=On

• gphoto2 --set-config whitebalance=4

• gphoto2 --set-config zoom=5

• gphoto2 --set-config assistlight=Off

• gphoto2 --set-config iso=0

• gphoto2 --set-config canonflashmode=off

• gphoto2 --set-config focusingpoint=0

For Testing Purposes

• gphoto2 --set-config canonimgquality=0

• gphoto2 --set-config canonimgsize=3

For Production

• gphoto2 --set-config shootingmode=3

• gphoto2 --set-config aperture=18

• gphoto2 --set-config shutterspeed=25

• gphoto2 --set-config iso=0

• gphoto2 --set-config canonimgquality=1

• gphoto2 --set-config canonimgsize=1

Toggle Focus

• gphoto2 --set-config focuslock=on

• gphoto2 --set-config focuslock=off

Take Infinite Photos Every 2 Minutes

• gphoto2 --capture-image --interval=180 --frames=0