Re: Well this is odd but fun

Yes, I noticed poking around in the documentation that there's a
capture with a CameraFileType of preview then there's
gp_camera_capture_preview().  No, I'm mostly a Nikon fan, picked this
up for $25 to take wildlife pictures with a Raspberry Pi on a battery
and Gphoto.  Expendable in case some bear steals it. :)

I thought I was getting the images that were sent to the viewfinder.  Oh well.

On 3/4/18, Marcus Meissner <[email protected]> wrote:
> 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
>> >
>>
>>
>> --
>> -------------
>> No, I won't  call it "climate change", do you have a "reality problem"? -
>> AB1JX
>> Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach
>>
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>
> --
> Marcus Meissner,SUSE LINUX GmbH; Maxfeldstrasse 5; D-90409 Nuernberg; Zi.
> 3.1-33,+49-911-740 53-432,,serv=loki,mail=wotan,type=real
> <[email protected]>
>


-- 
-------------
No, I won't  call it "climate change", do you have a "reality problem"? - AB1JX
Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach

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