Archived posting to the Leica Users Group, 2010/08/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I am posting this information from Henning Wulff again. It's important, and I wonder if any new information or experience exists on this subject.... I had asked and Henning answered... >> >>> **** the current M9 manual warns against using collapsible lenses with >>> the M9, in the collapsed ie non extended mode. >>> >>> I recall a LUGer, with plenty of experience, has said that the 50mm >>> Collapsible Elmars and Summicrons are in fact not a risk to the M8 & M9 >>> even when collapsed.... >>> >>> Is this correct? >>> thanks, >>> >>> Steve >> >> >> Hi Steve, >> >> No, collapsible 50's won't damage your M9. The only collapsible lens I >> think might be a problem is the old 90mm collapsible Elmar from the 60's. >> >> You can check this easily yourself. Take a 1/2" wide piece of paper, >> stick it into the lens opening and mark the depth that it goes in before >> it touches the shutter. Then take a collapsed lens (off camera) and put >> the piece of paper against the lens flange. You will see that the depth >> that you were able to stick the piece of paper into the M8 or 9 before it >> hit the shutter is much greater than the rear protrusion of the collapsed >> lens. >> >> It's safest to extend the lens before mounting it, as you don't want to >> poke at the insides with the protruding parts of the back of the lens. >> Otherwise you're OK. >> >> Regards, >> >> Henning >