Re: meade ortho question

On Sat, 29 Oct 2005 11:37:25 -0500, starburst <nope@xxxxxxxxxx> wrote:

>
>In my foolish youth I disassembled a meade ortho for cleaning and it's
>never really worked since. I'm pretty sure that the elements are swapped
>around somehow. Does anybody here have any tips on how this eyepiece is
>supposed to go together? It's a 9mm ortho from the 80s made up of two
>cemented doublets with a spacer and two threaded field stop / retaining
>rings. Can anybody help me out on the order that they should be in?
>
>Any help appreciated-
>
>Chris

I pointed out several years back that Meade and Celestron had labelled
some symmetrical Plossls as "Orthos" back in the 1980s.
Face the lenses with their flattest sides facing outwards.
Use the spacer between them.
-Rich
.