Archived posting to the Leica Users Group, 2014/02/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Feb 21, 2014, at 4:48 PM, Geoff Hopkinson <hopsternew at gmail.com> wrote: > Did I misquote you?! ;-) Just a comment that the LUG seems hardly a gung ho > Leica forum to me! You are right Hoppy, it wasn't always like that... what year did you join? s > 50 something posts in this Sony thread though. > > > Cheers > Geoff > http://www.pbase.com/hoppyman > > > On 22 February 2014 10:42, Steve Barbour <steve.barbour at gmail.com> > wrote: > >> >> >> Sent from my iPhone >> Steve Barbour >> >> On Feb 21, 2014, at 4:23 PM, Geoff Hopkinson <hopsternew at gmail.com> >> wrote: >> >> Leica raah raah forum !! >> >> thanks for the spelling help Hoppy >> >> s >> >> >>> On Feb 22, 2014 1:00 AM, "Steve Barbour" <steve.barbour at gmail.com> >> wrote: >>> >>> >>> On Feb 20, 2014, at 5:46 PM, Jim Laurel (gmail) <jplaurel at gmail.com> >>> wrote: >>> >>>> All I've seen, Steve, is some anecdotal evidence. Don't get me started >>> on Ken Rockwell, but on this page, he does have some examples of a 21mm >>> Super Elmar-M adapted to the A7 that appears to show sensor reflections >> and >>> smeared corner detail. Lurking around the dpreview forums, I've seen >> others >>> report similar results. But of course it's hard to know for sure >>>> >>>> http://www.kenrockwell.com/tech/comparisons/2013-12-leica-sony-canon/ >>> >>> hi Jim, we are happy to see you back. My point of course is....we don't >>> exactly have PROOF of anything, though we do have anecdotal and selected >>> stories by people with an agenda. No completeness or worst case scenarios >>> by unbiased individuals with data for the leica M240, as well as the Sony >>> A7 and A7r. Selected stories to make a point by people who wish to make >> a >>> point. No semblance of a real unbiased careful comparison. All of this is >>> then presented to a leica rah rah forum by people who like leica, whether >>> they use one or not.. I would like to know what the real facts are, based >>> on real world data, with carefully done comparisons. And if the cameras >> in >>> question have flaws in some areas, I will use the cameras accordingly, >>> always the case for all of us. >>> I used a CV 12 mm lens on my A7r, with many usable results, but some >>> unacceptable results as well. >>> That alerted me to be careful, especially with the widest of the wide. >>> Extrapolating this to all lenses under 50mm is not a conclusion based on >>> the facts. Some results of the widest lenses are acceptable, and we need >> to >>> have some reasonable ground rules. It occurred to me that we don't have >>> rigorous comparative data, even for the M240. What is clear is that >> many!! >>> lenses on the A7r, give incredibly wonderful results, it would seem far >>> greater in number for the A7r than the M240 because the list includes >> most >>> lenses ever made by most optical companies, including all of the leica R >>> lenses. >>> >>> Looked at in this light, I feel that the least we need to do, is approach >>> this question with complete understanding of the situation, an open >> mind, >>> and armed with some real world comparative data. >>> >>> By the way, the above subject line says OT, but in my estimation this >>> subject is very much on topic. >>> >>> thanks for bringing it up, >>> >>> Steve >>> >>> >>> >>>> --Jim >>>> >>>> >>>> >>>>> On Feb 20, 2014, at 5:10 PM, Steve Barbour <steve.barbour at gmail.com> >>>> wrote: >>>> >>>>> >>>>> >>>>> Sent from my iPhone >>>>> Steve Barbour >>>>> >>>>> On Feb 20, 2014, at 4:39 PM, Jim Gmail <jplaurel at gmail.com> wrote: >>>>> >>>>> Aren't there a lot if reported issues with adapted lenses? The Leica M >>> primes, at least, seem to perform much better on the M240 than on the A7. >>>>> >>>>> where is this proven? >>>> >>>> >>>> _______________________________________________ >>>> 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 >> >> _______________________________________________ >> 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