Archived posting to the Leica Users Group, 2012/05/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]bummer On Sat, May 26, 2012 at 1:00 AM, Marty Deveney <benedenia at gmail.com> wrote: > On Sat, May 26, 2012 at 2:01 PM, Bob Adler <rgacpa at gmail.com> wrote: > > Not fun... > > It will be very interesting to learn if the increased resolution of the > MM causes a slew of owners to recalibrate... > > I am strongly of the opinion that *any* fast pre-digital Leica M glass > _must_ be focus calibrated to be useable wide open on an M8, 9, MM etc > - *any* digital Leica. The tolerances required to focus accurately on > a sensor are tighter and Leica developed methods to meet them. > > Newer glass is less likely to need this, but I have also noticed that > with use everything wanders and needs periodic re-calibration. I send > everything off every ~2 years, or else if my periodic checks show > something has changed. > > Marty > > > > Good luck John. > > > > Sent via iiiPad > > Bob Adler > > Redwood City, CA > > > > On May 25, 2012, at 9:10 PM, "John McMaster" <john at chiaroscuro.co.nz> > wrote: > > > >> Just the second, so far.... Was way off back focussing when bought, > 6-bit > >> and calibration in Solms and now gone to someone in NZ. My 75mm > Summilux has > >> been back at Solms for four weeks so far (still back focussing after > >> 6-bit/factory calibration) so trying a local calibration... > >> > >> john > >> > >> -----Original Message----- > >> > >> Is this the 3rd time? > >> > >> Sent via iiiPad > >> Bob Adler > >> Redwood City, CA > >> > >> On May 25, 2012, at 8:46 PM, "John McMaster" <john at chiaroscuro.co.nz> > wrote: > >> > >>> Certainly looks good on the cat shot, mine was front focussing after > >>> its trip to Solms so has been sent off again :-( > >>> > >>> john > >>> > >>> -----Original Message----- > >>> > >>> Finally a few minutes to play with the recently calibrated nocti: > >>> > >>>> From our garden: > >>> http://gallery.leica-users.org/v/rgacpa_HI/20120525-L1000656.jpg.html > >>> > >>> Millie is back with her unique world view and attitude: > >>> http://gallery.leica-users.org/v/rgacpa_HI/20120525-L1000646.jpg.html > >>> > >>> Seems to be well calibrated. Hope you enjoy, Bob > >>> > >>> -- > >>> Bob Adler > >>> > >> > >> > >> > >> _______________________________________________ > >> 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 for more information > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- Bob Adler Redwood City, CA http://www.rgaphoto.com