[Leica] Canon non-linear metering

[tgray at 125px.com (Tim Gray)]

On Nov 18, 2010 at 12:50 PM -0600, George Lottermoser wrote:
> could be.
> Certainly the Canon electronic, mechanical, meter and computer linkages 
> would qualify as "more complicated."
> Yet the fact that the R lens does not connect to any of that remains 
> simple 
> - no connectivity to the complex camera system;
> the camera has no way of knowing the aperture;
> and without that knowledge cannot properly compute.

With that clarification, ok :)  Certainly sounds like there is some aperture 
related and possibly focal length related compensation going on in the Canon 
metering system that non-electronic lenses don't get to take advantage of.