Re: gPhoto2 - Regarding LiveView Zoom Magnification

On Wed, May 20, 2020 at 11:09:27AM +0100, Daniel P. Berrange wrote:
> On Wed, May 20, 2020 at 12:00:58PM +0200, Marcus Meissner wrote:
> > On Tue, May 19, 2020 at 03:30:59PM +0600, Nazmus Sakib wrote:
> > > Hi Marcus.
> > > 
> > > Is it possible to control the LiveView Zoom Magnification (5x, 10x etc)?
> > 
> > The Canon EOS have a "zoom" config, where you put in percentage values.
> 
> I don't suppose there is a companion setting to control which region of
> the display is zoomed in. ie when x10 zoom, you're getting a high
> magnification of 1/100th of the field of view. I presume this is is 
> centered by default. When on the camera, its possible to shift this 
> zoomed view around to other regions of the field of view.

Hmm, there is a eoszoom and eoszoomposition config variables.

The eoszoomposition takes a string "x.y", which I think is the center
of the zoomed part.

Ciao, Marcus