gphoto2 & latest libgphoto

Guy Stalnaker <[email protected]> Wed, 20 Mar 2024 22:53:59 -0500
Newsgroups gmane.comp.multimedia.gphoto.user
Message-ID <CAGHXqCZownUdb6KoxkF4G-aqsstmFdJ8gAszrFroK2aSxbhfxg@mail.gmail.com>
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Hello,

If I think I have discovered an issue with gphoto2 and the Nikon D7500, how
should I report it?

Succinctly, the reported values for shutterspeed (decimal seconds) and
shutterspeed (fractional seconds) provided by - - get-config, etc, do not
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 shutterspeed
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

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<div dir=3D"ltr">Hello,<br><br>If I think I have discovered an issue with g=
photo2 and the Nikon D7500, how should I report it?<br><br>Succinctly, the =
reported values for shutterspeed (decimal seconds) and shutterspeed (fracti=
onal seconds) provided by - - get-config, etc, do not result in exposures t=
hat match those values when using - - trigger-capture to acquire an image.<=
br><br>I created a test shell script to walk the entire set of D7500 shutte=
rspeed choice values from 0 to 35 (1/8000s to 20&quot;). The resulting imag=
es have EXIF exposure values that for all but one image do not match the sh=
utterspeed value used to capture the image (that is, only one of 35 images =
has the correct shutterspeed - only one). This is, obviously, not good.<br>=
<br>I have a detailed explanation of what I&#39;ve done if that is any help=
.<br><br><div class=3D"gmail_default" style=3D"font-family:verdana,sans-ser=
if;font-size:small">Regards.</div><div class=3D"gmail_default" style=3D"fon=
t-family:verdana,sans-serif;font-size:small"><br></div><div class=3D"gmail_=
default" style=3D"font-family:verdana,sans-serif;font-size:small">Guy S.</d=
iv><br><br>-- =E2=80=9CHappiness is the meaning and the purpose of life, th=
e whole aim and end of human existence.=E2=80=9D =E2=80=95 Aristotle</div>

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