>Your 50-250mm f/5 doesn't change effective aperture when zoomed. Trust
>me, I tested it and the slides were consistent for an equal aperture at
>various focal lengths. The difference you experienced in metering must
>have been due to the subject area being read by the meter.
>
>Gary Reese
>Las Vegas, NV
Indeed - to test it you'd have to fill the whole lens at 50mm with an
evenly lit, even toned, mid-tone like a painted wall and then zoom in.
Andrew
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