From: "Richard Schwartz" 
To: "ATM List" 
Reply-To: "Richard Schwartz" 


There are eight possibilities for two lenses.  Try them all, and pick
whatever is best.   If two choices are equally good, why do you care what
is
officially declared as the correct orientation?

----- Original Message -----
From: "Jerry B. Hillman" 
To: 
Sent: Sunday, December 29, 2002 7:29 AM Subject: ATM eyepiece re-assembly


>
> Hi all,
> Can someone out there tell me the orientation of the lenses in a Plossel
> eyepiece?
> I had to disassemble one to clean it and am not sure how to put it back
> together.  The eyepiece has three lenses, what appears to be a ring seal,
a
> short metal tube that is convave on one end, and a longer metal tube that
is
> flat on one end and has a depression on the opposite, that the smallest of
> the lenses fits into.  The orientation of the first two lenses defeats me.
> They tumbled out of the eyepiece and I lost their proper orientation.
> Any help would be appreciated.
> Clear skies, Jerry
>
>

--- BBBS/NT v4.00 MP