Archived posting to the Leica Users Group, 2002/04/29

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Subject: Re: [Leica] SF20 question
From: John Collier <jbcollier@shaw.ca>
Date: Mon, 29 Apr 2002 11:48:09 -0600

It is just so that the correct maximum distance is displayed. It has no 
effect on the functioning of the TTL circuits.

John Collier

On Monday, April 29, 2002, at 11:33 AM, Paul Chefurka wrote:

> As a complete newcomer to TTL twinkie flash, I have a stupid question.  
> Why
> does the SF20 manual tell you to transfer the lens aperture setting to 
> the
> flash when working in TTL mode?  I thought one of the points of TTL 
> flash
> metering was that lens aperture and subject reflectance were taken into
> account automatically by the sensor in the camera.

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