"Celestron 80mm Guidescope Package Brand New Includes Two Year Warranty, The Celestron 80mm Guidescope Package is a complete package containing a 125 mm rings along with a 80 mm refractor
This guidescope is compatible with Celestron's NexGuide Autoguider. This package includes an extension tube to assist in reaching focus without having to use a diagonal. The Guidescope Package has M42 thread on the extension tube that allows an easy sliding of the NexGuide autoguider barrel into the extension tube. There is a tension screw on the focuser to minimize the ""play"" when focusing. 80mm Guidescope Package Features: Product # 52309, Guidescope Package, 189x Highest Useful Magnification, Rayleigh Resolution 1.74 Arc Seconds, M42 Thread on Extension Tube - Allows you to Slide NexGuide Autoguider Barrel Into Extension Tube, Metal Focuser w/ Tension Screw - Minimizes Mechanical ""play"" When Focusing, Compatible w/ Celestron NexGuide Autoguider, Includes: 125 mm Rings & 80 mm Guidescope, Extension Tube, Compatible With The Following Model: 11007"
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