Re: gphoto2 & latest libgphoto

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Quick follow up - Not even Nikon's Snapbridge works with this D7500 body.
It can modify modes well enough and change FStop - but any attempt in any
mode to modify the shutterspeed is complete random what shutterspeed will
be used at capture. And most of time tapping on a shutterspeed value does
NOT result in Snapbridge setting that shutterspeed for image capture.

The issues with Ghphoto2 may not be WITH Gphoto2. So aggravating.

Guy
--

=E2=80=9CHappiness is the meaning and the purpose of life, the whole aim an=
d end of
human existence.=E2=80=9D

=E2=80=95 Aristotle


On Sun, Mar 24, 2024 at 10:28=E2=80=AFAM Marcus Meissner <[email protected]=
n.de>
wrote:

> Hi,
>
> On Wed, Mar 20, 2024 at 10:53:59PM -0500, Guy Stalnaker wrote:
> > Hello,
> >
> > If I think I have discovered an issue with gphoto2 and the Nikon D7500,
> how
> > should I report it?
>
> you already opened a github issue, which is the right way.
>
> I hope I can get to reviewing this in the next weeks, my life is a bit
> busy these days.
>
> (Basically some Nikons have their own set of mappings, and we have a mean=
s
> of mapping this per-camera if needed.)
>
> > Succinctly, the reported values for shutterspeed (decimal seconds) and
> > shutterspeed (fractional seconds) provided by - - get-config, etc, do n=
ot
> > result in exposures that match those values when using - -
> trigger-capture
> > to acquire an image.
> >
> > I created a test shell script to walk the entire set of D7500
> shutterspeed
> > choice values from 0 to 35 (1/8000s to 20"). The resulting images have
> EXIF
> > exposure values that for all but one image do not match the shutterspee=
d
> > value used to capture the image (that is, only one of 35 images has the
> > correct shutterspeed - only one). This is, obviously, not good.
> >
> > I have a detailed explanation of what I've done if that is any help.
> >
> > Regards.
> >
> > Guy S.
> >
> >
> > -- =E2=80=9CHappiness is the meaning and the purpose of life, the whole=
 aim and
> end
> > of human existence.=E2=80=9D =E2=80=95 Aristotle
>
>
> > _______________________________________________
> > Gphoto-user mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/gphoto-user
>
>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif;font-size:small">Quick follow up - Not even Nikon&#39;s Snapbrid=
ge works with this D7500 body. It can modify modes well enough and change F=
Stop - but any attempt in any mode to modify the shutterspeed is complete r=
andom what shutterspeed will be used at capture. And most of time tapping o=
n a shutterspeed value does NOT result in Snapbridge setting that shuttersp=
eed for image capture.</div><div class=3D"gmail_default" style=3D"font-fami=
ly:verdana,sans-serif;font-size:small"><br></div><div class=3D"gmail_defaul=
t" style=3D"font-family:verdana,sans-serif;font-size:small">The issues with=
 Ghphoto2 may not be WITH Gphoto2. So aggravating.</div><div class=3D"gmail=
_default" style=3D"font-family:verdana,sans-serif;font-size:small"><br></di=
v><div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif;font=
-size:small">Guy</div><div><div dir=3D"ltr" class=3D"gmail_signature" data-=
smartmail=3D"gmail_signature"><div dir=3D"ltr"><font size=3D"1"><span style=
=3D"font-family:verdana,sans-serif"><span style=3D"color:rgb(34,34,34)">--<=
/span><br style=3D"color:rgb(34,34,34)"><br style=3D"color:rgb(34,34,34)"><=
span style=3D"color:rgb(34,34,34)">=E2=80=9CHappiness is the meaning and th=
e purpose of life, the whole aim and end of human existence.=E2=80=9D</span=
><br style=3D"color:rgb(34,34,34)"><br style=3D"color:rgb(34,34,34)"><span =
style=3D"color:rgb(34,34,34)">=E2=80=95 Aristotle</span></span></font><br><=
/div></div></div><br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" =
class=3D"gmail_attr">On Sun, Mar 24, 2024 at 10:28=E2=80=AFAM Marcus Meissn=
er &lt;<a href=3D"mailto:[email protected]">[email protected]</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br=
>
<br>
On Wed, Mar 20, 2024 at 10:53:59PM -0500, Guy Stalnaker wrote:<br>
&gt; Hello,<br>
&gt; <br>
&gt; If I think I have discovered an issue with gphoto2 and the Nikon D7500=
, how<br>
&gt; should I report it?<br>
<br>
you already opened a github issue, which is the right way. <br>
<br>
I hope I can get to reviewing this in the next weeks, my life is a bit <br>
busy these days.<br>
<br>
(Basically some Nikons have their own set of mappings, and we have a means<=
br>
of mapping this per-camera if needed.)<br>
<br>
&gt; Succinctly, the reported values for shutterspeed (decimal seconds) and=
<br>
&gt; shutterspeed (fractional seconds) provided by - - get-config, etc, do =
not<br>
&gt; result in exposures that match those values when using - - trigger-cap=
ture<br>
&gt; to acquire an image.<br>
&gt; <br>
&gt; I created a test shell script to walk the entire set of D7500 shutters=
peed<br>
&gt; choice values from 0 to 35 (1/8000s to 20&quot;). The resulting images=
 have EXIF<br>
&gt; exposure values that for all but one image do not match the shutterspe=
ed<br>
&gt; value used to capture the image (that is, only one of 35 images has th=
e<br>
&gt; correct shutterspeed - only one). This is, obviously, not good.<br>
&gt; <br>
&gt; I have a detailed explanation of what I&#39;ve done if that is any hel=
p.<br>
&gt; <br>
&gt; Regards.<br>
&gt; <br>
&gt; Guy S.<br>
&gt; <br>
&gt; <br>
&gt; -- =E2=80=9CHappiness is the meaning and the purpose of life, the whol=
e aim and end<br>
&gt; of human existence.=E2=80=9D =E2=80=95 Aristotle<br>
<br>
<br>
&gt; _______________________________________________<br>
&gt; Gphoto-user mailing list<br>
&gt; <a href=3D"mailto:[email protected]" target=3D"_blank"=
>[email protected]</a><br>
&gt; <a href=3D"https://lists.sourceforge.net/lists/listinfo/gphoto-user" r=
el=3D"noreferrer" target=3D"_blank">https://lists.sourceforge.net/lists/lis=
tinfo/gphoto-user</a><br>
<br>
</blockquote></div>

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