Hi--
(catching up with e-mail, after being busy, and a bit under the weather...)

>>Maybe a call to
>>1-800-NIKONUS will produce the answer... My guess is that T doesn't
>>use battery power on the F3.

>A great idea.... and the answer? No battery power to leave the shutter
>open......yeah! The F3 will make a fine astrophotography camera
>
>
>Thanks
>Joe
>
>Joseph Marietta (Joe)
>codeblue@erols.com