|17.5" F4.5 for Larry Y. in Burlingame, California.|
The "mirror board" and mirror cover.
|The Upper Ring for the 17.5" F4.5. The focuser is a Moonlite,|
the spider is a Destiny Observatory Grade. You can see the
Moonlite truss blocks on the underside of the ring.
|17.5" with Cover Installed.|