- 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.