Archived posting to the Leica Users Group, 2011/11/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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 >