Archived posting to the Leica Users Group, 1998/06/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>From: TEAShea@aol.com >Date: Fri, 26 Jun 1998 08:46:54 EDT >Subject: Re: [Leica] Leica M shutter : accuracy control > ><< I never expierienced this myself, though I do lots of slides. All > tests I have seen show the Leica shutter as ultra precise, with a devia= tion >of > less than 10%. >> > >Christoph, thanks for you comments. Regarding the Leica shutter, no >mechanical focal plane cloth shutter can have the precision of a quality >electronic focal plane shutter or even of a new mechanical metal=20 >focal plane shutter. It simply is not possible for a shutter like than = in the >M6 to be consistently precise across the shutter speeds. One third of a= stop >is not much and it is a credit to Leica than they be this precise. =20 > >You might want to look at the test results in the 94 Popular Photograph = test >of the M6. While I don't think much of the analysis in this article, th= eir >basic tests on functions like shutter speed are useful. =20 > >It might be interesting to find out the experiences of other on the LUG = with >regard to shutter speed accuracy. =20 > >Tom Shea > M6 n=B0 1666706, control of the shutter speed with a spectron: nominal speed (measured speed) : 1000(952),500(483),250(236), 125(124),60(65),flash (53),30(32),15(16),8(8.7),4(4.4),2(2.3),1(1.02). Dominique Pellissier