> Everything seems OK - apart from the fact that the widest f-stop reported by
> the camera is f-8   Is it possible to get the maximum aperture value of 
> f-7.2, and if not, why not?

> The lens is, to the best of my knowledge, in excellent working order, and
> the camera correctly reports f-stops using other lenses - so is the maximum
> f-8 when using the sigma 500 f-7.2 a quirk, or a fault?

<hunch>

I know nothing about the equipment in question, but is it possible that the
body is simply incapable of ~displaying~ f/7.2, so it opts for f/8 instead?

</hunch>

Fred


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