Archived posting to the Leica Users Group, 2018/10/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks, I dk if this can be delivered here, but interesting and cheap at the same time. Amities Philippe > Le 20 oct. 2018 ? 21:34, Paul Roark via LUG <lug at leica-users.org> a > ?crit : > > I, personally, don't like the little arcs in my shots. So ... > > https://www.bhphotovideo.com/c/product/1092107-REG/sky_watcher_s20520_star_adventurer_motorized_mount.html?ap=y&gclid=CjwKCAjwpKveBRAwEiwAo4Pqm3Z4r4MBnOnFZ71JhBKG40rkccN4WSPMkkxzFI8Jil7WKWstJoRWMRoCPpYQAvD_BwE&smp=y > > <https://www.bhphotovideo.com/c/product/1092107-REG/sky_watcher_s20520_star_adventurer_motorized_mount.html?ap=y&gclid=CjwKCAjwpKveBRAwEiwAo4Pqm3Z4r4MBnOnFZ71JhBKG40rkccN4WSPMkkxzFI8Jil7WKWstJoRWMRoCPpYQAvD_BwE&smp=y> > > Paul > www.PaulRoark.com <http://www.paulroark.com/> > > On Sat, Oct 20, 2018 at 8:22 AM Philippe via LUG <lug at leica-users.org > <mailto:lug at leica-users.org>> > wrote: > >> Eppur si muove ;-) >> >> https://en.wikipedia.org/wiki/And_yet_it_moves >> <https://en.wikipedia.org/wiki/And_yet_it_moves> < >> https://en.wikipedia.org/wiki/And_yet_it_moves >> <https://en.wikipedia.org/wiki/And_yet_it_moves>> >> >> We may not perceive the tracks just because the FL is so short, and the >> sensor doesn?t record the jump from a pixel to the next one ??? >> >> Although I was using a tripod as you may imagine, I had left the IOS on, >> that could be another reason why. There was absolutely no wind and the >> foliage seems to prove it. >> >> OTT 10mm means 15mm in Leica world, but it doesn?t modify the result ... >> >> I?ll try a longer lens at the earliest opportunity, say the Novoflex 400 >> (600 eq.) for instance, and see what I get, and report. >> >> Thanks Howard. >> >> Stay well, and vigilant :-) >> >> Amities >> >> Philippe >> >> >> >>> Le 20 oct. 2018 ? 17:04, Howard Cummer via LUG <lug at leica-users.org> a >> ?crit : >>> >>> Hi Philippe, >>> I am surprised that you can take a 30 second exposure with a 10mm lens >>> and have such small star tracks. When I shoot the skies with my 90mm >>> Elmarit on the M10 - above 8 seconds I get quite pronounced star tracks. >>> >>> Just an observation. Lovely photo BTW. >>> Howard. >>> >>> >>>> On Thu, Oct 18, 2018 at 1:36 AM Philippe via LUG <lug at leica-users.org >> <mailto:lug at leica-users.org>> >>>> wrote: >>>> >>>>> Tested long exposure on the sky last night. >>>>> >>>>> >> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html >> < >> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html >>> >>>>> < >>>>> >> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html >> < >> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html >>> >>>>>> >>>>> >>>>> May be viewed larger. >>>>> >>>>> Amities >>>>> >>>>> Philippe >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug >> <http://leica-users.org/mailman/listinfo/lug> for more information > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug > <http://leica-users.org/mailman/listinfo/lug> for more information