Archived posting to the Leica Users Group, 2002/06/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Frank I believe the M viewfinder is set at minus 0.5 not plus 0.5. My prescription is -1.25 for my right eye, and I use the -1.0 diopter to give -1.5 which gives a clear view. That said, I think Lasik laser eye surgery might be a cheaper alternative than spending £42 on a Leica diopter correction lens! Simon > > From: "Frank Filippone" <red735i@earthlink.net> > To: <leica-users@mejac.palo-alto.ca.us> > Cc: <rclompus@cox.net> > Sent: Wednesday, June 26, 2002 1:32 AM > Subject: RE: [Leica] Eyeglasses and diopter adjustment lenses > > > > Richard.. my reading perscription from my Dr. is +2. I went to a Leica > > store and tried +1.5, +2, +1.0, 0 (no diopter) and -.5. There was no +.5 > > available. This was on a .72 Leica M7 ( I have a M6, but the VF should be > > the same) and compared to a M6 ( mine) so I could swap diopters and try > > things out as a comparison..... > > > > The +1.5 should have been perfect, given the finder is supposed to be a > +.5 > > on its own ands assuming my reading perscription is what I should be > > equating to........ wrong... The best I could tell was 0.. none... with > the > > +1 equally good/bad... so I think maybe that I need a +.5 > > > > Note that the -.5 was substanbtially worse than the 0. So a - anything > > looks worng for me as well... > > > > I tried this with my glasses on and off... with virtually little change... > > the glasses were used in the chin down position, using the far distance > > perscription...... > > > > My conclusion is that you can not guess nor calculate .. you must go to a > > store and try the things out..... YMMV > > > > I have tried this twice now.. once on my Hassy, and now on the Leica.... > > Neither worked as the equations should have....I use a chimney finder ont > he > > Hassy that has a variable Diopter built in and the PME 90, ditto the > > adjustability..... > > > > The M6 is unsuccessful to date.... > > > > Frank Filippone > > red735i@earthlink.net > > > > > > -- > > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > > > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html