Archived posting to the Leica Users Group, 2009/07/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks, Gene -------------- Original message from "wildlightphoto at earthlink.net" <wildlightphoto at earthlink.net>: -------------- > Gene Duprey wrote: > > >>> > What is the modification? I would like to use my 14198 0n other lenses. > <<< > > If your other lenses are all Leicaflex-compatible the only modification you > need to do is remove the collar that covers the 60mm lens' aperture ring. > On early models of the 14198 the collar is held in place with a screw and > cement. Late models omit the screw. The collar can be removed with > persuasive force applied by vice-grip pliers (destroys the collar). > > If you want to use R-only or ROM lenses you will also need to enlarge the > inner diameter of the flange and (often) trim the lock button's inner side. > Or send it to DAG and tell him you want to use ROM lenses on it. > > Once the 14198 is modified: > > 1) with auto-diaphragm lenses of any cam configuration, set the lens' > aperture ring to the smallest aperture, i.e., f/16 or f/22 and use the > aperture ring on the 14198 to adjust exposure. The markings on the 14198 > aperture ring will only make sense if the lens is f/2.8, otherwise think of > the ring as "full aperture" when it's at f/2.8, "one stop down" when it's > at f/4, etc. You'll retain automatic diaphragm and whatever full-aperture > metering your 14198 supports (either 2-cam or 3-cam). > > 2) with the f/6.8 Telyts or any other lens with a manual diaphragm, set the > 14198's aperture ring at f/2.8, ignore what the viewfinder tells you the > aperture is, and use the lens's diaphragm instead. > > A couple of limitations: the inner light baffles will cause dark corners > on full-frame cameras when using a long-focus lens like the f/6.8 Telyts. > Not a problem with your DMR. the inner light baffles also interfere with a > few lenses so that these lenses cannot be used with the 14198. The ones > I've found will interfere are the 50mm Summilux-R E55 and the 2x > APO-Extender-R. The inner light baffles can be removed at the risk of > increased flare from the shiny aperture control parts that will be exposed. > > You should be able to use your 560mm lens with the 14198 without any > modification. > > Doug Herr > Birdman of Sacramento > http://www.wildlightphoto.com > > > Original message from "wildlightphoto at earthlink.net" > : -------------- > > > > Jim Nichols wrote: > > > > >>> > > I'm confused by the second photo. Does the adapter go between the > aperture > > ring and the front portion of the lens? This photo makes it appear that > the > > aperture ring is still closest to the camera. > > <<< > > > > The 14198 extension tube has an aperture ring that is used instead of the > > lens' aperture ring. The extension tube has a collar at the lens end > > that > > covers the lens' aperture ring; the lens' aperture ring is set to f/22 > > before connecting the lens and extension tube. > > > > The more recent Macro-Adapter-R (14256? or the ROM version 14299?) does > not > > have its own aperture ring, using the one on the lens instead. The 14198 > > is set up with its own aperture ring so that you can meter at full > aperture > > on the Leicaflex SL and SL2. The Macro-Adapter-R in its original form > > cannot be used on the Leicaflexes. > > > > The 14198 can only be used with the 60mm Macro lens (with a few > exceptions) > > while the Macro-Adapter-R can be used with many lenses and meters at full > > apereture with any R body. Since I use both R and Leicaflex bodies, and > > I > > use the extension tube with more than just the 60mm Macro-Elmarit-R, I've > > worked out a modification to the 14198 to make it more universal. > > > > Doug Herr > > Birdman of Sacramento > > http://www.wildlightphoto.com > > > > > > Jim Nichols > > Tullahoma, TN USA > > ----- Original Message ----- > > From: "David Freedman" > > To: "Leica Users Group" > > Sent: Tuesday, July 21, 2009 5:34 PM > > Subject: Re: [Leica] Leica Macro-Elmarit-R 60mm f/2.8 Lens > > > > > > > The 60mm Macro-Elmarit lens focuses continuously from infiity to 1/2 > life > > > size; 1:1 with an adapter. > > > > > > See here: > > > > > > At closest focusing distance: > > > > > > http://farm4.static.flickr.com/3312/3658659280_d5739ac779_o.jpg > > > > > > With the 1:1 adapter: > > > > > > http://farm4.static.flickr.com/3317/3658659318_ce9c9bdd5c_o.jpg > > > > > > Dave F. > > > > > > _______________________________________________ > > > 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 > > > > -------------------------------------------------------------------- > > mail2web.com ? 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