Archived posting to the Leica Users Group, 2010/04/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Medical experiments? :-) My boy is safe until they have a dual- or triple- focal length lens in the F/2.8 range... Cheers Dante NO ARCHIVE On Apr 24, 2010, at 8:50 AM, Geoff Hopkinson wrote: > Dante, I've never shot the current Summilux 35 ASPH. and can't comment on > it > from any personal experience. It has been reported as having some > identifiable focus shift in the most critical cases (from article in LFI). > Peter Karbe has recently said that the lenses are optimised for best > performance at infinity. I understood the floating element arrangement to > assist in the close in performance and reduce focus shift. That is my > experience with the 50 Summilux ASPH. and the APO 75 Summicron ASPH. at > least. That is to say I get very consistent and accurate focus in the 1 to > 3m range where I shoot them most and have never identified any focus shift > (down to ~f/4). > I ordered the lens (at least I have my name down and they will accept my > deposit when it is actually officially announced). I'll let you know, > probably months hence. It will take months to find the dollars anyway ;-) I > may sell my children for medical experiments. > > f/1.4 and be there > Geoff > http://www.pbase.com/hoppyman > > > On 24 April 2010 22:26, Dante Stella <dstella1 at ameritech.net> wrote: > >> The floating element is designed to promote consistently good focus along >> a >> distance range, which in the Nikon world made lenses that shot well at a >> distance shoot well close-up (since a lens can really only be optimized >> for >> one distance/repro ratio if the elements move as a unit). >> >> But since the current Summilux ASPH already seems to shoot better close-up >> than at a distance, is the floating element designed to fix the >> long-distance end? >> >> Dante >> >> On Apr 22, 2010, at 9:06 AM, Leonard Taupier wrote: >> >>> Actually Nikon introduced the floating element in the 24mm in 1967, their >> first. Mine is a 1972 model which I had converted to AI in 1980 or so. I >> still have that lens plus the AF version. I have most of the Nikon MF >> lenses >> which were given new life with the release of the D700. >>> >>> I also have the 35mm Summilux ASPH which I plan to keep. >>> >>> Len >>> >>> >>> On Apr 22, 2010, at 1:53 AM, Chris Crawford wrote: >>> >>>> Floating elements are not new. My old Nikon 24mm f2.8D AF-Nikkor has >> them. >>>> So does my Olympus OM 85mm f2 and 50mm f2 Macro. The Olympus lenses are >>>> 25-30 yrs old and the Nikkor is 16. >>>> >>>> >>>> -- >>>> Chris Crawford >>>> Fine Art Photography >>>> Fort Wayne, Indiana >>>> 260-424-0897 >>>> >>>> http://www.chriscrawfordphoto.com My portfolio >>>> >>>> http://blog.chriscrawfordphoto.com My latest work! >>>> >>>> >>>> >>>> On 4/22/10 1:18 AM, "Frank Filippone" <red735i at earthlink.net> wrote: >>>> >>>>> 2 things to note..... first, New Leica lenses cost $5K+ >>>>> Second, it is no longer sufficient to have ASPH elements.... they must >> be >>>>> FLOATING ...... >>>>> >>>>> Floating is the new Leica Buzzword.... >>>>> >>>>> ( yes, I understand the issue of back focus.....) >>>>> >>>>> Frank Filippone >>>>> red735i at earthlink.net >>>>> >>>>> Another new toy to consider: >>>>> >>>>> >> http://leica-camera.com.ua/assets/Info_09_2010_LEICA_SUMMILUX-M_1.4_35mm_ASP >>>>> H._Engl.pdf >>>>> >>>>> >>>>> Product code: 11663 >>>>> >>>>> Approx. US$5,000. >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> 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