Archived posting to the Leica Users Group, 2010/01/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Jan 16, 2010, at 5:30 PM, Rei Shinozuka wrote: > I only have 2 collapsibles, the summitar and summicron. (the summitar has > the conical IR-cut filter created kindly for me by Len Taupier) i can't > say what the long-term effect of constant collapsing of these lenses into > the M8 is, but i have mounted both and collapsed both on the M8, and it > won't smash the shutter or anything dramatic like that. on the other > hand, when collapsing you do sometimes feel something contact inside when > the lens is half-collapsed--i think it's the protrusions in the film > chamber to the left and right behind the bayonet contacting the lens tube > as it goes back. the lens continues to collapse without force. > > In summary: > 1. you can fully collapse the lenses on an M8 > 2. they don't smash the shutter. > 3. the tube seems to gently contact something inside the film chamber, but > there's no discernible damage. > 4. officially the makers warn against collapsing these lenses, but it's > not clear why. > 5. since the fit of the back of the focus tube is tight inside when > collapsed, i'd recommend not mounting and removing lenses when in > collapsed state. good points all Rei, and I agree, especially with the last point, Steve > > -rei > > > Lluis Ripoll Querol wrote: >> Hi Len, >> >> I'm glad you are fine!, happy new year and I hope continue seeing your >> pictures, particularly those so nice with your beautiful Summarex!. >> >> I've used very few these collapsible lenses on the M8, and I'll keep >> careful without collapsing. >> >> Nice to meet you again on the LUG, >> >> Keep wel, >> Cheers >> Lluis >> >> Lluis Ripoll Querol >> lluisripollquerol at gmail.com >> >> http://gallery.leica-users.org/v/luisrq/ >> http://photo.net/photos/lluisripoll >> Blog: >> http://lluisripollphotography.wordpress.com/ >> >> http://www.lrmusic.es >> >> El 17/01/2010, a las 1:44, Leonard Taupier escribi?: >> >>> Hi Lluis, >>> >>> Yes I'm fine. I browse the LUG from time to time and Steve's question >>> caught my eye. Yes the Summicrons and Elmars are OK. The screw mount >>> f3.5 Elmars are a little close though. I use them all on my M8s but keep >>> them extended. >>> >>> Len >>> >>> >>> On Jan 16, 2010, at 3:08 PM, Lluis Ripoll Querol wrote: >>> >>>> Hi Steve, >>>> >>>> As far as I know you can collapse Summicrons and Elmar on the M8, I've >>>> have both but I've never collapsed on..., I'm careful. I remember this >>>> question was answered longtime ago by an our expert friend Leonard >>>> Taupier, I hope he is well. >>>> >>>> Amiti?s >>>> Lluis >>>> >>>> >>>> >>>> El 16/01/2010, a las 19:25, Steve Barbour escribi?: >>>> >>>>> Again 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 >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> 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 >>> >>> >>> _______________________________________________ >>> 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 > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information