>From the 4 up, they have one cell measuring in the floor and I'm not sure if
it is SBC like a 2N. It looks a little like this only much smaller. The
central dot is what measures spot in 4 series, 2S, 3 series. It compares
central dot to outer field for ESP in the PC / 40.
__________
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John
Terry and Tracey wrote:
> >The cell which is used in the 2S, 4 etc for spot/average readings is also
> used in
> >the PC. In this case the central dot reading is compared to the
> surrounding
> >area. If a great difference in exposure is seen by the meter, ESP
> compensates.
> >
> >John
>
> Does the PC/40 have a single SBC or 2 SBCs like the single digit OMs?
>
> Foxy
>
>
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