Alex Zabrovsky wrote:
>My EOS-3 seems to underexpose 1/3 - 2/3 stops (in some
>occasions the difference between the Sekonic and EOS-3 reached 1 stop !).
>Body's ID is ON0409 which presumably means it is produced in 1999 (please
>correct me if I'm wrong).

Yes, that means April 1999 (N=1999; 04=April). According to a previous 
discussion on this list (back in September 1999), EOS 3 bodies with a code 
later than ON0308 (meaning March 1999) do not have the much-discussed 
underexposure problem (in other words, they have the more recent firmware 
that fixes this problem).

>I guess I run into the well known underexposure issue inherent into early 
>batches of EOS-3 bodies.

Not necessarily. My EOS 3 bodies were underexposing, but were manufactured 
more recently than April 1999. I sent them to Canon, who adjusted the 
meters (and, as far as I know, did not reload the firmware). So your camera 
might just need to be recalibrated.

Gerry

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