Filter slide fits larger (10" and up) Newts and Dobs. Lightweight, all aluminum and plexiglass unit has "click stops" for all positions. Smooth, positive action. Will hold two 2" filters plus an open viewing hole, or fill open hole with UV filter for "blinking" planetary nebula without focus shift. Attaches to focuser board or inside of tube; easy to mount with two screws. As new, never installed. Filters not included.
$155 shipped CONUS only.