Archived posting to the Leica Users Group, 1997/11/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Alf >I'm a little slow, evidently: Why would you need to lock up the mirror = >if you use the R 4/21 SA on your R or SL? The R 4/21 is a retro-focus lens, = >I never needed to do it. Different, of course, the M 3.4/21, because it'= s >a symetrical lens (and definitely a jewel :) ), and for which you'd ne= ed >the 22228. I think we are discussing here the Leicaflex SA 21/3,4, that you can only use with the mirror up and with a separate viewfinder. (Same lens formula as the M 21/3,4) I'm not sure now, I've deleted the original message ! Bob ?? Lucien BELGIUM