Archived posting to the Leica Users Group, 1999/09/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I experienced this bizarre form of shutter tapering in my IIIf and a cla cleared it up..... It IS strange that the taper is not in a distinct vetical line across the film.... Dan > >lug- and other nuts, > >just got back the proofs of the first roll of film (delta 400) taken with >my 'new' iiif + elmar 50/3.5. first impressions: the elmar is a fantastic >lens! it's sharp, but seems to be less 'clinical' than the current >summicron i use on my m6; the 'bokeh' with the latter lens when shot wide >open is definitely more pronounced, more 'poetic,' however, and really >makes a portrait pop against the soft blur of the background. for the most >part, i had no trouble with exposure: for the majority of shots, i metered >off my m6 as i wanted to make sure shutter speeds were on - which they >certainly seem to be. only in a couple of cases, when i had to shoot at 100 >instead of 125 or at 25 instead of 30, did shots seem slightly over >exposed. > >that said, i did experience one problem: on some seven or eight shots, >there are what appear to be streaks running horizontally across the frame, >as if the film were being wound over something, or as if a roller were >being rolled over the film. in those shots, there are a series of visible >horizontal lines that seem to run in groups, like a musical staff, across >the picture. they are visible, both on the proof and in the negs,but arenot >so pronounced as to obscure the image completely. obviously, however, they >are unacceptable and i'd like to get rid of them. > >when i looked over the notes i took when making those pictures, i noticed >that all of the shots in question were taken out of doors at either 1/500 >or 1/1000. none of the other images, shot at slower shutter speeds, were >affected. does any one have any idea what this might be? could it be >possible that the shutter curtain is making contact with the film as it >opens and shuts? i can't imagine what else it might be since frames right >next to the streaked ones are totally clean, no lines whatsoever. i suppose >that if had something to do with the film being advanced, or what-have-you, >those lines would appear over more of the shots, or, if not, at least not >only over those shot at 1/500 and 1/1000. > >has anyone else experienced this problem? thanks in advance for any >ideas/suggestions/solutions you may have. > >guy ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com