<html dir="ltr"><head></head><body style="text-align:left; direction:ltr;" bgcolor="#ffffff" text="#2e3436" link="#737373" vlink="#2e3436"><div>Hi Ralf,</div><div><br></div><div>On Wed, 2021-07-28 at 16:28 +0200, Ralf Mardorf via ubuntu-users wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><pre>On Wed, 28 Jul 2021 13:45:19 +0000, Tony Arnold wrote:</pre><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><pre>Hi Ralf,</pre><pre><br></pre><pre>On Wed, 2021-07-28 at 14:57 +0200, Ralf Mardorf via ubuntu-users wrote:</pre><pre><br></pre><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><pre>Updates are not always our friends. I'm very very very very</pre><pre>muchexperienced with Arch Linux, Ubuntu and iPadOS updates on bare</pre><pre>metal.Not that seldom updates are a PITA. After Linux updates a power</pre><pre>usersometimes has to do a lot of work, to fix issues, on iPadOS you</pre><pre>canonly beg the developers to fix issues, to grant</pre><pre>backwardscompatibility, but often begging gains nothing at all and a</pre><pre>lot of yourwork is rendered useless. To be fair, this is work you</pre><pre>can't do withLinux machines at all, since in some domains (audio,</pre><pre>video andphotography come to mind) Linux software is way behind the</pre><pre>times(likely for several decades), for several reasons. If you e.g.</pre><pre>buy afull-frame DSLR camera today, you might get next year an ASP-C</pre><pre>DSLRcamera for half of the price, that is as good, as your</pre><pre>full-frame DSLRcamera today. Now take a look how many vendors of</pre><pre>DSLR cameras are inbusiness. Each of those companies provides</pre><pre>several product lines. Howshould Linux software for free as in beer</pre><pre>support all those cameras? </pre></blockquote><pre>FWIW, darktable does a fine job of this.</pre><pre><br></pre><pre>Regards,</pre><pre>Tony.</pre></blockquote><pre><br></pre><pre>Hi Tony,</pre><pre><br></pre><pre>I suspect it provides a data base for things like lens correction when</pre><pre>developing RAW images, but can it be used as a remote to move the image</pre><pre>sensor, to increase resolution when shooting stills? Can it be used as</pre><pre>a stop motion remote that shows onion skins? Or will the data base</pre><pre>contain data for the latest and greatest lenses?</pre></blockquote><div><br></div><div>darktable focuses on providing excellent tools for raw image development. It does a good job of supporting a large number of camera raw formats and lenses (due to lensfun as you've discovered).</div><div><br></div><div>It does provide a tethering feature for remote control of the camera. I think it may even have some stop motion features but It's a while since i've used the tethering feature.</div><pre><br></pre><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><pre>Actually my Sony camera doesn't provide moving the image sensor, but</pre><pre>some cameras do. What I'm indeed doing is using stop motion software</pre><pre>connected by WiFi with my Sony camera, so I can see everything on a</pre><pre>huge monitor and way more important, I can use helpers such as onion</pre><pre>skins, so I see one shot clear, and as many shots before or after that</pre><pre>shot transparent, too. A raster might help, seeing green screen</pre><pre>results, e.g. loading different background while doing the shooting</pre><pre>etc. is helpful, IOW it's not just kind of remote, it's a real tool that</pre><pre>a camera can't provide. Even if the software would exist for Linux,</pre><pre>getting WiFi and/or Bluetooth to work could already be a showstopper.</pre></blockquote><div><br></div><div>To me that seems like a fairly specialised area of photography requiring specialised tools. I'm not aware of any such tools for Linux, but then I've never really looked for them!</div><div><br></div><div>Regards,</div><div>Tony.</div><div><span><pre>-- <br></pre><div><div><font size="2"><font color="#3366ff"><b>Tony Arnold</b> MBCS, CITP | Senior IT Security Analyst | Directorate of IT Services | Office 1, Kilburn Building | The University of Manchester | Manchester M13 9PL | </font><font color="#ff0000">T:</font><font color="#3366ff"> +44 161 275 6093 | </font><font color="#ff0000">M:</font><font color="#3366ff"> +44 773 330 0039</font></font></div></div></span></div></body></html>