Meanwhile I realised I shouldn't be using the parameter "manualfocusdrive" as that controls focus and not zoom.
However, I have tried to change the "eoszoom" parameter but it has no effect and I can't change it's value. Should I be able to control the zoom of the Canon G7 X Mark III? Thanks again for your help. On Wed, Feb 12, 2020 at 2:26 PM Nuno Pereira <n...@pro-drone.eu> wrote: > Hello, > > I am currently using a canon G7X Mk III with gphoto2. > I have managed to capture and download photographs using both gphoto2 from > the terminal and with C++. I have also managed to change other parameters > such as capturetarget and save the photographs to an SD card. > > However, I am having problems controlling zoom through gphoto. I read that > first I need to change the parameter "viewfinder" to 1, which i can do > because the screen goes black when I do it. After that i try to set the > "manualfocusdrive" using (for example) "Near 1" or "Far 2" but > nothing happens, but it also doesn't give me any error message. > > Do you have any idea how to fix this and how I could control the zoom with > gphoto? > > Many thanks for the help, > Nuno >
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