Archived posting to the Leica Users Group, 1998/07/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]What can be done about the shutter being off? I doubt I need a CLA since my M6 is barely 6 months old. Francesco >Francesco: > >This means that your shutter is probably off on some of the speeds. It can >also mean that the aperature is off, but this is less likely. Is it maybe >time for a CLA? > >Regards, > >Robert > >At 03:45 PM 7/8/98 -0700, you wrote: >>I recently ran an informal test on some film I was trying for the first time >>(Sensia II). I rated the film at different aperture/shutter combos, always >>at the same exposure. For example, if the exposure from my incident >>meter was 1/250 @ f/8, I would also try 1/500 @ f/5.6, 1/1000 @ f/4, >>and 1/125 @ f/11. This was on my M6, by the way. >> >>I found that as the apertures got smaller (towards f/16), the slides were >>slightly darker, and as the aperture enlarged the slides were slightly >>lighter. I have noticed this before, but didn't think much of it since the >>decrease or increase of light is only 1/4-1/3 stop per f-stop. >>Shouldn't a slide exposed at 1/250 @ f/8 look EXACTLY like a slide >>exposed at 1/60 @ f/16 or 1/1000 @ f/4 ?? I thought the only thing >>that would change would be motion-freezing ability (the shutter speed) >>and DOF (the aperture). Does this signify a probem with my M6, or is >>this a phenomenon well-known by everyone but me? >> >>Francesco >> >> >> >> >> >> >