Re: Well this is odd but fun

Hi,

(I kin dof assumed you used a EOS, but the Powershot also has a single
"get preview image" command that it sends to the camera.

For DSLRs, the mirror will be flipped up for preview capture,
probably thats what you noticing.

Ciao, Marcus
On Sun, Mar 04, 2018 at 03:39:05PM -0500, Alan Corey wrote:
> Thanks, camera buffering is significant.  I'm mostly working with a
> Canon PowerShot S70 which I'm planning to use for this.  When I tried
> my Nikon D5200 instead I immediately get the current image.  Which is
> 640x424 BTW.
> 
> I'm surprised it works on the Nikon at all, I wasn't planning on that.
> On the Nikon it doesn't seem like a preview image.  If I hold the
> camera I can feel mechanical movement like maybe the mirror and
> shutter.  I'm not doing anything camera-specific except
> canon_enable_capture.  Maybe this Nikon doesn't do previews, I didn't
> look at the chart.   It's probably not important, I'm not going to
> stick my D5200 out in a birdfeeder anyway.
> 
> On 3/4/18, Marcus Meissner <[email protected]> wrote:
> > Hi,
> >
> > well, we always read the preview from the camera, so what you see
> > there is what the camera gets us.
> >
> > Not sure how those cameras buffer it, but the idea is usually
> > to read preview images in a quick succession ;)
> >
> > Ciao, Marcus
> >
> 
> 
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