80mm Guidescope Package (52309)
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Complete package includes 125 mm rings and 80 mm Guidescope. Compatible with Celestron NexGuide Autoguider. Includes an 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.
|Aperture (mm)||80 mm (3.15 in)|
|Focal Length||600 mm (24 in)|
|Highest Useful Magnification||189 x|
|Lowest Useful Magnification||11 x|
|Limiting Stellar Magnitude||12|
|Resolution (Rayleigh)||1.74 arc seconds|
|Resolution (Dawes)||1.45 arc seconds|
|Light Gathering Power (Compared to human eye)||131 x|
|Optical Tube Weight||3.94 lbs (1.79 kg)|
|Weight of Tube Rings||2.69 lbs (1.22 kg)|
|Weight (lbs)||6.69 lbs (3.03 kg)|