A star diagonal is designed to place the eyepiece at comfortable viewing position on an astronomical telescope. A star diagonal is either constructed from a prism or mirror, and reflects the path of the light at, usually, a 90-degree angle to the telescope's optical axis. Newtonian-type reflecti...
Meade #930 90-Degree Mirror Diagonal (2") The #930 Meade 2" surface Mirror Diagonal with UHTC coatings is designed to be used with any Meade LX series telescope. This diagonal is compatible with any refractor having a 2" focuser and held in place with a grub screw. The #930 also wor...