At 1/30th of a second, at your focal length, the moon will move through 
about 40 sensor pixels.  (this is back of the envelope- I'll do it again 
tomorrow).

-73s, n9ybx




On Fri, 1 Sep 2006, Doug Franklin wrote:

> ryan brooks wrote:
>> You absolutely need a drive at that magnification and shutter speed.
>
> May be, but as I said in another post, I've gotten sharp results with
> the same rig, just replacing the *ist D and "2 sec mirror prefire" with
> the LX and its mirror locked up.
>
> -- 
> Thanks,
> DougF (KG4LMZ)
>
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