This "EyeOpener" Two Inch Visual Back for 10" and 12" Meade Schmidt-Cassegrain Telescopes will increase the total amount of light delivered to your eye by as much as 65% The attractive and compact black-anodized aluminum back is machined by Peterson Engineering, screws onto the telescope's backplate and will accept a 2" diagonal tube or direct mounting of 2" eyepieces. Three non-marring thumbscrews firmly secure the diagonal or eyepiece.
Please note that this is the original Eyeopener model, designed to fit classic 10" and 12" Meade LX200 classic SCTs. It is not the Eyeopener II model that fits Meade LX200GPS scopes.
Absolutely brand new, mint, never ever used.
Sells new for about $108, including shipping.
$80 shipped Conus.