Re: D90 : activate Liveview with USB for ManualFocus setting

On Mon, Jul 10, 2017 at 05:21:16PM -0700, Michal wrote:
> You can enable liveview only with "capture-preview" or "capture-movie"
> commands, but the catch is you can't use them simultaneously with focus
> setting and taking a photo commands when using gphoto in CLI mode.
> 
> So you have to run gphoto in shell mode and 1. enable liveview, 2. set
> focus, 3. take the photo. gphoto shell commands for that look something like
> this:
> 
> gphoto2 --shell
> gphoto2: /> capture-preview
> Saving file as capture_preview.jpg
> gphoto2: /> set-config /main/actions/manualfocusdrive=-500
> gphoto2: /> capture-image-and-download
> 
> Then you set new focus value and take another photo. Check if it works and
> if it does we can talk about interactive mode scripting.

Yes, correct.

But it probably is better to use a program using libgphoto2 ... 

darktable e.g. implements this (but seems only doing the Canon variant).

Ciao, Marcus

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