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

[Pablo Kolodny <pkolodny@fibertel.com.ar>]

on 8/8/01 4:47 PM, Andrew Nemeth at azn@nemeng.com wrote:

> 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
> 
> <http://4020.net>    -> photos, 360° panoramic vrs, sounds
> <http://nemeng.com>  -> vr java applets, leica faq, tech info
> 
> 
> 
> 
Andrew, it sounds simply IN-CRE-DI-BLE!!!

How could they do it that way ??

I'll stay closer to my rapidwinder... more than ever!

By the way, "blood traction" is always better than battery powered motor
stuff.

Pablo Green
Leica Gynecological Dept. , oops, I mean
Leica Ecological Dept.