Archived posting to the Leica Users Group, 1998/01/19

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Subject: Re: [Leica] Viso and flash sync
From: Mickey Rosenthal <michelr@inter.net.il>
Date: Mon, 19 Jan 1998 23:34:01 +0200

Boreham wrote:

> While on the subject of visos what is the proper way of adjusting the
> length of the shutter release so that the mirror is properly out of
> the way
> when the shutter opens, but only just? Trial and error is my current
> method
> and is very slow as you have to develop the film to find out. Any help
> much
> appreciated.

According to the excellent german 'LEICA_Buch' written by Kisselbach,
leave a minimum of one mm of space free.  I leave just 1.5 mm free to be
on the safe side ( so the mirror black out is a little bit longer).  It
works excellent.
Mickey Rosenthal.