drafting tables
celestron 90 degree star diagonal 1.25 inch 1 1 4 in .
model 94115a . a star diagonal lets you view objects that are at a 90 & 176 ; angle from the direction the telescope is pointing thereby allowing comfortable viewing when the telescope is pointed at or near the zenith i.e. directly overhead . the resulting image is right side up but will be reversed from left to right .
celestron