Archived posting to the Leica Users Group, 2010/01/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Len, I collapse on all except the M8, I agree about the Nickel Elmar on my case on the IIIF, but the Summitar is not much bigger. Do you have the Hektor f6.3 2,8 cm? this one makes a really compact outfit too. Cheers Lluis El 17/01/2010, a las 13:58, Leonard Taupier escribi?: > I have measured the clearance distance of every collapsible lens I > own for the benefit of the LUG members. While I use every one of > them in my M8's, I have never collapsed one. There is only one > camera where I collapse a lens, a Leica II with a 50mm f3.5 nickel > Elmar I carry in my pocket sometimes. > > Len > > > On Jan 17, 2010, at 1:52 AM, Henning Wulff wrote: > >> At 1:32 AM -0500 1/17/10, Mark Rabiner wrote: >>>> Rei, >>>> >>>> I think it may be a disclaimer in case something goes wrong when >>>> inserting a lens with some sort of fault. As an example look at the >>>> end of your Summitar. There are 3 fingers that have slots bent up >>>> to >>>> provide a snug fit to the barrel when the lens is extended. If >>>> one of >>>> these fingers get bent up too far it can hit the shutter in the >>>> collapsed condition. Just an idea. Also I believe the old >>>> collapsible >>>> 90mm Elmar can hit the shutter. >>>> >>>> Len >>>> >>> >>> >>> I'm dying to know how all you guys have figured this all out!!! >>> Leica says "don't put the retractable lens in your five thousand >>> dollar >>> camera or...." so you guys go >>> "I bet that's baloney" and do it anyway and then write about it. >>> What if it WASN'T ok? >>> One five thousand dollar camrea off to Solms to have its insides >>> replaced? >>> I can't figure this out!?! >>> >>> Just doing it super slow makes it safe? To me it just seems >>> impossible! >>> >>> [Rabs] >>> Mark William Rabiner >>> >>> >> >> >> You don't just take a lens, mount it and collapse it waiting for >> the crunch. You measure things first. >> >> It's quite easy to measure, and once you check what the mounting >> flange to shutter distance is, you know what to stay clear of. You >> then measure, on a removed but collapsed lens what the distance is >> between the lens' mounting flange and the back of the lens. You'll >> find that with all 50's there is plenty of clearance. You can also >> mount the Super Angulons, both f/4 and f/3.4 and even the Hologon f/ >> 8, although the latter produces some rather remarkable vignetting. >> >> You can also look to see what intrudes into the chamber between the >> mounting flange and the shutter from the top, bottom and sides and >> relate it to the greatest diameter of the collapsing tube, namely >> the three-prong locking claw. >> >> In any case, the only collapsible lens I have any doubts about is >> the old 90/4 Elmar (not the current macro Elmar). I don't have one >> to measure, but all other collapsible lenses, from old Nickel >> Elmars through Hektors, Summars, Summitars and Summicrons and newer >> Elmars clear everything easily. As mentioned before, best to mount >> the lenses in their extended condition, as careless, skewed mount >> could possible catch something (most probably the focussing arm). >> -- >> >> * Henning J. Wulff >> /|\ Wulff Photography & Design >> /###\ mailto:henningw at archiphoto.com >> |[ ]| http://www.archiphoto.com >> >> _______________________________________________ >> 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