Archived posting to the Leica Users Group, 2009/10/12

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Subject: [Leica] M7 AE lock question
From: alex at zabrovsky.org (Alex Zabrovsky)
Date: Mon, 12 Oct 2009 22:24:24 +0200
 
A question to a fellow M7 users on the list:
When using AE lock, holding it down (second "pressure point" as per 
Leica manual) and recomposing I noticed the supposedly locked exposure 
may jump approx. 1.3 to 1.2 stop back and forth between the originally 
locked and nearby value (shutter speeds of course) when I recompose (and 
measuring area gets covered by different lighting pattern).
When holding AE locked I have upper dot glowing which confirms AE lock, 
however wen recomposing and the shutter speed jumps to the nearby value 
(by 1/3-half stop) - the lower dot also gets glowing momentary, when the 
exposure jumps back to the original locked value - the lower dot goes off.

Does it make sense for a properly operating M7 ?

Thanks, Alex
Replies: Reply from michiel.fokkema at wanadoo.nl (Michiel Fokkema) ([Leica] M7 AE lock question)