Jun 2017

So far I have tested four DSLRs (all Canon) and have had different results, so lets look at them to see what I could do (or could not wah!)

It seems the problems with the capture-download are to do with shutter speed, if you have a longer exposure (say 2 seconds) gphoto2 times out. If you are using 1/125, it's fine.

This is the original Canon EOS-M model.

gphoto2 --auto-detect


Model                          Port
----------------------------------------------------------
Canon EOS M                    usb:001,027

So yes, we can auto detect the camera.

gphoto2 --capture-image


*** Error ***
Sorry, your camera does not support generic capture
ERROR: Could not trigger capture.
*** Error (-6: 'Unsupported operation') ***

For debugging messages, please use the --debug option.
Debugging messages may help finding a solution to your problem.
If you intend to send any error or debug messages to the gphoto
developer mailing list <gphoto-devel@lists.sourceforge.net>, please run
gphoto2 as follows:

    env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt --trigger-capture

Please make sure there is sufficient quoting around the arguments.

So we are unable to capture files from gphoto using the EOS-M

gphoto2 --get-all-files

Yes

Yes, we were able to pull all of the files from the EOS-M, so we can use a backup solution for this camera, but no intervalometer functions.

Now for my trusty Canon EOS 550D, a camera I really love, although it's getting a little old now.

gphoto2 --auto-detect

Model                          Port
----------------------------------------------------------
Canon EOS 550D                 usb:001,030

Camera auto-detected okay.

gphoto2 --capture-image

Yes, this worked fine.

gphoto2 --capture-image-and-download

Hmm, worked initially, then stopped working. Seemed to work in Manual, but no other modes. Once it stopped working I never got it going again.

gphoto2 --get-all-files

Yes, this worked without any issues.

Now for the newer Canon EOS 700D, lets see if a newer model supports everything.

<file>
gphoto2 --auto-detect

Model                          Port
----------------------------------------------------------
Canon EOS 700D                 usb:001,007

gphoto2 --capture-image

Yes, no problems.

gphoto2 --capture-image-and-download

Again, interminttant, Would work for a while, then stop.

gphoto2 --get-all-files

Yes, no problem with file transfer.

Now for the Full Frame Canon EOS 5DMK2, Remember, at time of writing this is a 9 year old DSLR.

gphoto2 --auto-detect

Model                          Port
----------------------------------------------------------
Canon EOS 5D Mark II           usb:001,011

Yes, auto-detect works fine.

gphoto2 --capture-image

No.

gphoto2 --capture-image-and-download

No.

gphoto2 --get-all-files

Yes, works without any issues.