Archived posting to the Leica Users Group, 1997/09/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
- ----------
From: Robert Rose[SMTP:RJR@usip.com]
Sent: Wednesday, September 24, 1997 11:38 AM
To: mpreiss@worldnet.att.net
Cc: leica-users@mejac.palo-alto.ca.us
Subject: M6 speed problems
<<Also, at 1000 the shutter speed is uneven across the frame, showing 2 =
darker vertical bars near the left edge and 1 darker bar near the right =
edge.>>
I have seen this effect at 1000 & 500 with flouresecent lighting on an =
M2. A possible culprit here? Were you using daylight lighting?
A 2 stop difference at 1000 would put the shutter at 1/4000 second! =
There must be another cause.
Try the same test outdoors using chrome.
Bob
=
=
=
=
=
=
=
=
=
=
=
=20
Maybe what you were capturing was the flicker of the flourescent tubes? =
At any rate, my test was done outdoors with a clear sky. The strip of =
film was contact printed so the printing can't explain differences =
between frames. The vertical "banding" at 1000 has shown up on other =
films at other times as well. All this on a brand new camera. Just goes =
to show that Leica quality control could really be beefed up a bit. =
Maybe they assume most buyers are collectors who never shoot a roll or =
two. Off it went to Leica service today. Let's see what they say.