Archived posting to the Leica Users Group, 1998/06/28

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Subject: Re: [Leica] Tom Shea's comparison M6 vs. G2
From: Charles Dunlap <cdunlap@es.UCSC.EDU>
Date: Sun, 28 Jun 1998 14:21:51 -0800

><< M6 n=B0 1666706, control of the shutter speed with a spectron:
> nominal speed (measured speed) : 1000(952),500(483),250(236),
> 125(124),60(65),flash (53),30(32),15(16),8(8.7),4(4.4),2(2.3),1(1.02). >>
>
>Dominique, this is quite an impressive performance.
>
>Tom Shea
It works out to an average deviation of 7% relative accross the range of
shutter speeds. The 1/3 stop variation that was tossed out earlier would
equal a 26% variation from the nominal shutter speed. In the worst case
from the above example the 1/2 sec. shutter speed was off by 15%, roughly a
1/6 stop error.

Perhaps this is why you don't see a lot of posts on the LUG complaining
that shutter speeds are off. Despite the apocryphal claims to the contrary,
the M6 shutter speeds are sufficiently accurate.

- -Charlie