In today's tutorial we see some small function gPhoto2, a program command-line oriented * NIX systems which in addition to other functions, allows us to access some of the functionality “hidden” (or non-advertised) of our cameras.
It should be stated at the outset that not all cameras are supported. The complete list is available on the manuale online Application.
The operation is very simple. Configure the camera (io face you Canon EOS 20d) so that the USB connection is of type PTP (under the menu “Communication” – “PTP”). (more…)