Archived posting to the Leica Users Group, 2001/12/11

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Subject: Re: [Leica] SF 20 Flash and M setting
From: John Collier <jbcollier@powersurfr.com>
Date: Tue, 11 Dec 2001 20:54:42 -0700

The TTL uses a electronic flash sync and will not fire the flash if the
shutter speed dial is set above 1/50.

John Collier

> From: "Dr. Elliot Puritz" <drpuritz@bellsouth.net>
> 
> Need some colelctive wisdom firneds..
> 
> Using the SF 20 on my Leica .85, TTL, I note that the flash will sometimes
> not fire when set on "M" to be used as fill in at 1/4 power.  obviously,
> when as fill in, the exposure and F stop are set according to the lighting
> at hand, not at the sync speed of 1/50th. Usually the problem occurs when
> the subject is well lit,i.e., on a beach where one might want to use just a
> bit of flash on the face while keeping the over all mood.  I had Rich at
> Photovilla try the M setting on the SF in a similar situation...the flash
> did not go off, set to M, 1/4 strength, when the camera and flash were
> directed at a light source ( in this case, a bulb ), but did fire as fill in
> when the camera was directed at a shady area.  Since M is meant to be used
> as fill in as the photographer desires ( regardless of the ambient light or
> exposure chosen on the M6), one wonder what is going on.  The ambient light
> should have nothing to do with it...or the fill in feature is abrogated and
> not useable. Advice gladly taken. What am I over looking?
> 
> 

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Replies: Reply from "Dr. Elliot Puritz" <drpuritz@bellsouth.net> (Re: [Leica] SF 20 Flash and M setting)