Archived posting to the Leica Users Group, 2002/04/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]on 4/22/02 4:07 PM, Aram Langhans at langhans@yakima-wa.com wrote: > Thanks David. Did you get the Elpro 4 and 3 mixed up? Doesn't the 4 focus > closer than the 3 or is my thinking all wrong? > > Aram > > >> >> Sorry to be slow in coming forward with the Leica information which I've >> oddly enough just compiled for my college work. >> >> ELPROs with 180mm f4 Elmar-R >> >> Elpro Focus distance Repro Ratio object field (mm) >> 4 inf 135cm 1:7.4 178x267 >> 4 1.8m 75 1:3.3 80x120 >> 3 inf 61 1:3.3 80x120 >> 3 1.8m 45 1:2 48x72 >> >> Data from Theo Kisselbach's Leica R-4 Reflex manual. >> >> Hope this helps >> >> David Prakel >> > According to my sources David got it right. Doug Herr Birdman of Sacramento http://www.wildlightphoto.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html