[Leica] RE: Compact M Motor - smearing image LHS

[Jim Brick <jim_brick@agilent.com>]

Don't hold your breath... It's these kind of things that make Tom's 
RapidWinder such a great piece of equipment. Simple and elegant. Built like 
a tank, works like a fine watch.

Jim


At 04:07 PM 8/8/01 -0400, Peterson Arthur G NSSC wrote:

>One would hope that Leica reads this and takes steps to rectify the problem.
>
>Art Peterson
>
>
>-----Original Message-----
>From:   Andrew Nemeth [mailto:azn@nemeng.com]
>Subject:        [Leica] Compact M Motor - smearing image LHS
>
>A while back I reported that motorised sequences taken with
>the new Compact M Motor would smear the left hand side of
>shots following #1 in the sequence.
>
>Finally had some time to test this and can confirm that yes,
>it's a real problem at all shutter speeds when you have the
>motor set to the quiet(er) "I" setting.
>
>What appears to happen is that the shutter opens prior to the
>low-tourque-wind film has fully coming to rest, resulting in
>the LHS side of the frame being motion blurred.  The proprortion
>of the frame ruined of course varies with the s/speed.  At 1/250th
>only @ 1/8th of the frame is ruined.  At 1/125th almost a third
>of the image gets smeared.
>
>However, set the motor to the louder & faster "II" setting and
>the smearing is gone, at all s/speeds.  Here because there is
>no low-tourque monkeying about, the film is in place and
>stationary when the shutter curtain opens.
>
>So the moral of the story is: use "I" for one-off frames and
>stick to "II" for sequences.
>
>(I'll add this morsel to the FAQ later today.)
>
>Regds,
>
>
>Andrew Nemeth
>
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