> Moose <olymoose@xxxxxxxxx> wrote:
>
>
> slow/sticky diaphragm blades leave the aperture closed or opening too
> slowly and lead to underexposure.
>
> Nikon is the opposite, using the spring to close the blades and the
> lever to open them when the lens is attached, then allow the spring to
> close them for exposure, so a sticky diaphragm will tend to overexpose.
>
That's good to know Moose - thanks.
...Wayne
Wayne Harridge
http://lrh.structuregraphs.com
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