Godfrey DiGiorgi mused:
> 
> I don't own a dedicated external flash yet so it's hard to
> compare P-TTL vs TTL results ... The DS' built-in flash ONLY
> support P-TTL operation, so distance measurement when on full
> Matrix/Evaluative metering is probably a given. 
> 
> Do the "A" series manual focus lenses provide distance readout
> to the camera for Matrix/evaluative measurement purposes? 

No.  That information is only available over the digital
readout pin, which first appeared on the F-series lenses.

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