----- Original Message ----- 
From: "Shel Belinkoff"
Subject: RE: The JCO survey


> No they're not.  Push the GB and the lens and camera communicate, the
> aperture is recorded and exposure info is calculated, shutter speed is
> adjusted.  The camera and lens just communicate differently.  Plus, by
> activating the DOF button, the camera provides a read out in the 
> viewfinder
> of how much over/under the exposure is.  That's more than some film 
> bodies
> delivered.

Also, an absolute light value is delivered to the meter.
There are fewer mechanical parts contributing to exposure error.

William Robb 



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