Archived posting to the Leica Users Group, 2004/12/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Steve, I do not have Frank's problem. However, I have noticed that screwmount lenses do line up at about 1 O'Clock on the M adapter. This is mostly a looks issue but I do have some concerns re the 15 and 12 mm heliars. Dan Goldberg (DAG) seems to think that this is about normal. Any thoughts? Jack Swickard -------------- Original message -------------- > Frank, > > do you really think that Leica would design and market a Leica screw mount > to > Leica M bayonet adapter system which didn't work flawlessly ? Mr. K is > only > using the system which Leica designed and invented in the 1950's. > > The troubles you are having with the adapters are in no way normal. > Something > is wrong somewhere with 1) your technique 2) the adapter 3) the camera > body > or 4) any combination of 1 to 3. > > A. hand tighten the adapter on screw mount lens > B. mount the adapter and lens together on the M mount. this will tighten > up the > adapter to the lens. give the lens a gentle turn to the right towards the > rewind lever / knob just to be sure. > C. after that, if all is working right, the adapter will stick to the lens > like > glue. > > D. to remove the adapter/lens combination depress the lens release and > remove > like you would any other M lens > E. to remove the adapter from the lens, forget the rear lens cap adapter > wrench > concept. Use the M body as a lens wrench instead. insert the adapter/lens > into > the M camera body, and turn the lens to the left towards the advance > lever. the > lens will unscrew and the adapter will fall off in your hand since you did > not > lock it into place in the camera mount. > > All of the above work should work easily and flawlessly. If you are having > trouble with it, 1st tighten the lens a bit more on the adapter, then try > replacing the adapter. last resort is having the camera mount looked at by > a > good Leica tech. in absolutely no way should the adapters become stuck on > the > camera. > > Mr. K's logic is that screw mount lenses offer far more versatility to the > buyer > than M mount lenses, since screw mount lenses work perfectly on both screw > mount > and M bodies, but M mount lenses only work on M mount bodies. Leica was > not > doing you a favor by switching over to all M mount lenses in the 1960's. > It > was a marketing ploy to force buyers to buy M bodies in order to take > advantage > of the newer optical designs in the M only lens mounts. The M mount > cameras > initially encountered a big back lash in the 1950's about being too large > and > heavy compared to the screw mount Leicas. The M mount only lens strategy > was a > way to force even screw mount diehards to switch to the new M camera > bodies -- > and of course increase M body sales. > > Frankly Frank, I was really surprised when I read about your adapter > problems. > I have never personally encountered such difficulties. But I am glad you > brought it up. > > Stephen Gandy > > Frank Filippone wrote: > > > I think it is pretty obvious that having an adapter is "silly". It is a > > piece of equipment that is not really necessary compared to machining a > > M > > rear lens mount on the LTM lenses, or even permanently gluing one on) , > > it > > is inconvenient, and it sticks to the bodies, and must, at times, be > > removed > > using the equivalent of a wrench ( the back of CERTAIN Leica M mount > > back > > caps). Remember, these are M cameras with M mounts, not M cameras with > > built in LTM adapters on front. > > > > I realize that you represent the CV company as a distributor of theirs. > > You > > have done an excellent job of promoting their products. But there > > remains > > a practical issue of consumer friendliness. LTM lenses with an adapter > > are > > not consumer friendly to M users. Useable, yes, but not friendly. > > > > Personally, I would pay extra NOT to have to use the adapters. I bet > > there > > are others out there that feel the same way...... > > > > Feel free to chime in now, gang...... CV Lenses with M mounts are > > preferred > > over LTM lenses with M adapters......for use on a M camera. > > > > Frank Filippone > > red735i@earthlink.net > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information