Archived posting to the Leica Users Group, 2011/11/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Nowhere near as fast as the mft lenses, but was never a fast focus lens, like most macros - too long a travel! FD >________________________________ > From: A. Lal <alal at poly.edu> >To: Leica Users Group <lug at leica-users.org> >Sent: Monday, 28 November 2011, 18:03 >Subject: Re: [Leica] 25 mm PannyLeica Summilux - A Few Test Pix > >Thanks for the feedback Frank. Is the Olympus 50 macro focussing speed with >the adapter on par with that of the MFT lenses? >----- Original Message ----- From: "Frank Dernie" <Frank.Dernie at >btinternet.com> >To: "Leica Users Group" <lug at leica-users.org> >Sent: Monday, November 28, 2011 11:31 AM >Subject: Re: [Leica] 25 mm PannyLeica Summilux - A Few Test Pix > > >> I would presume that the MFT standard applies to all license holders so >> an Olympus camera should be able to read the ROM in a Panasonic lens >> (where I assume the correction data are stored in a standardised format) >> just as well as that in an Olympus lens. >> I have just checked the focussing of my 50mm macro on the Olympus pen >> E-P2 using the Panasonic 4/3 to mft adapter and it autofocuses OK. I no >> longer have a 4/3 body so I can't compare AF speed. >> The Panasonic GH1 doesn't autofocus those Olympus 4/3 lenses I own at all. >> Frank >> >> On 28 Nov, 2011, at 16:09, A. Lal wrote: >> >>> >>> >>> DOes anyone know how much optical correction is done in camera by >>> firmware in the MFT system? >>> >>> I assume the Panasonic body 'knows' that? a 25mm Summilux is mounted and >>> in order to enhance the captured image? will do some data manipulation, >>> even in RAW mode, before writing to the memory card. How would this >>> affect overall image quality if the lens is used on, say, an Olympus MFT >>> body where the camera may not 'know' that a Summilux is mounted? >>> >>> Also are any MFT users using adapted four-thirds lenses on their MFT >>> bodies? If so? please comment on AF speed and compatibility. Olympus >>> made a very tempting 50 macro for the original FT system that has no >>> direct equivalent in the MFT system. >>> >>> Regards, >>> Akhil >>> ----- Original Message ----- From: "Richard Taylor" <r.s.taylor at >>> comcast.net> >>> To: "Leica Users Group" <lug at leica-users.org> >>> Sent: Monday, November 14, 2011 4:58 PM >>> Subject: [Leica] 25 mm PannyLeica Summilux - A Few Test Pix >>> >>> >>>> Hello again.? I got one of the few 25mm Panasonic Summilux lenses B&H >>>> had >>>> in stock last week and thought you might like to take a look at what it >>>> can do.? Most of these are a full resolution so you'll be able to pixel >>>> peep around the frame as much as you like. >>>> >>> SNIP >>>> The lens sure looks good to me.? It is sharp, contrasty, and has a >>>> least a >>>> bit of that "Leica? look" about it.? There is some softness at the >>>> corners >>>> but how much of that is due to curvature of the field I can't tell.? The >>>> overall sharpness is excellent.? The only problem I noted was an >>>> occasional inability of the lens to focus close in in some >>>> circumstances. >>>> I'm not sure what was going on with that.? It may be operator error. >>>> >>>> It's a keeper, in any case. >>>> >>>> >>>> Regards, >>>> >>>> Dick >>> >>> >>> _______________________________________________ >>> 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 > > >