Archived posting to the Leica Users Group, 2002/04/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks, Doug, for trying this out. I'll start looking for a 3 or 4 or the series VII equivalent. You said no image quality data "yet". I didn't expect that thorough a trial, but I won't say "no" to it if you have the opportunity. Thanks again Aram > Date: Sun, 21 Apr 2002 21:37:18 -0700 > From: Doug Herr <telyt@earthlink.net> > Subject: Re: [Leica] Elpro and 180/4 > Message-ID: <B8E8E18D.48A1%telyt@earthlink.net> > References: > > on 4/20/02 6:02 AM, Aram Langhans at langhans@yakima-wa.com wrote: > > > Many of you told me that the 180/4 is a good candidate for > an Elpro. Which > > one(s) should I get? Which one will take off where the > lenses close focus > > point is and get me even closer w/o much overlap? Ane w/o > much loss in > > quality. > > > > I did a crude test of the ELPRO lenses on the 180mm f/4.0 Elmar-R this > weekend, by focussing on a plastic ruler with the ELPRO > lenses attached. > The flaws in this test include the non-100% viewfinder of the > SL but for a > first approximation it will do. I used earlier Series VII > ELPRO lenses with > a cheap adapter from a swap meet junk bin to fit the ELPRO on > the E55 lens. > > The ELPRO VIIb (ELPRO 4 in E55-ese) with the lens at infinity gives an > object field about equal to that of the 180mm lens alone at > the minium focus > distance (longer than the plastic ruler, however). With the > same ELPRO and > the 180 at its minimum focus distance, the long side of the viewfinder > showed ~120mm of ruler. > > The ELPRO VIIa (a.k.a. ELRPO 3) on the 180 with the 180 at > infinity showed > about 120mm of ruler in the viewfinder, and just over 70mm in > the viewfinder > at the minimum focus distance. > > Preliminary conclusion: ELPRO 3 & 4 with the 180mm Elmar-R > will provide a > wide range of close-up options with minimal gaps or overlaps > to something > approaching 1:2 reproduction ratio. Sounds handy. No image > quality data > yet. > > Doug Herr > Birdman of Sacramento > http://www.wildlightphoto.com > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html