Celestron 80mm Guidescope
Complete package includes 125 mm rings and 80 mm Guidescope
Compatible with Celestron NexGuide Autoguider
Includes Extension Tube to help reach focus without having to use a diagonal
M42 thread on extension tube allows you to slide NexGuide autoguider barrel into extension tube or thread guider directly onto extension tube
Metal focuser with tension screw minimizes mechanical ?play? when focusing making it easier to keep guide star on chip.