In a message dated 99-12-15 10:48:38 EST, you write:
> When I was checking various lens/camera/shutter combinations with the laser
> pointer last spring, the 85-250 was admirably stable, even with the OM-1.
>
> Joel Wilcox
> Iowa City, Iowa USA
Maybe there's a balance of rotational energy that's taken up by the 85-250
whenthe diaphragm is shut down while some lighter, more efficient lens, waste
some of this energy which goes to produce vibration.
Just a thought.
Warren
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