Enables you to use Denkmeier binoviewers with a PST Solar Telescope, at 2.6 and 1.5 powers. See the following link for specifics on its use and operation. Currently USD179/AUD 235 from Denkmeier. Asking $140, in very good condition.
http://www.deepskybinoviewer.com/ind...category_id=16
PM if interested.