Celestron Explorascope 80AZ f/11 Doublet Refracting Telescope

  • Aperture: 80 mm (3.1-inch).
  • Focal Ratio: f/10.
  • Focal Length: 900 mm.
  • Great Value and Easy to Use Refractor.
  • Excellent for Beginners.
  • 2 Year Warranty.
  • Sale
  • Regular price $209.95
  • $149.95
  • You save: $60.00 (28%)

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Celestron Explorascope 80AZ f/11 Doublet Refracting Telescope

The ExploraScope 80 AZ Telescope by Celestron is an excellent 80 mm (3.1-inch) aperture achromatic refracting telescope for anyone interested in celestial objects. It provides splendid clarity and superb quality of views and images for your enjoyment and is an all-around great value observational telescope.

The ExploraScope 80AZ comes with a pair of eyepieces of different focal lengths and magnifications, and a 3x magnification Barlow lens to help you widen your range of targets and enhance your observation experience. There is a StarPointer red dot finderscope to help you find your targets, and a 90-degree erect image diagonal to give you a top-side-up view of those objects.

This telescope is supported by an Alt-Azimuth Mount, on a tripod with adjustable aluminum legs. There is an accessory tray/ spreader for more stability and a convenient place to hold your optical accessories. 



  • Optical Design: Refractor.
  • Aperture: 80 mm (3.1 inches).
  • Focal Length: 900 mm.
  • Focal Ratio: f/11.
  • Focal Length of Eyepiece 1: H20 mm (1.25 inches).
  • Magnification of Eyepiece 1: 45x.
  • Focal Length of Eyepiece 2: SR4 mm (1.25 inches).
  • Magnification of Eyepiece 2: 225x.
  • Finderscope: StarPointer red dot finder.
  • Star Diagonal: Erect image 90 degrees (1.25 inches).
  • Highest Useful Magnification: 189x.
  • Lowest Useful Magnification: 11x.
  • Limiting Stellar Magnitude: 12.0.
  • Resolution (Rayleigh): 1.74 arc seconds.
  • Resolution (Dawes): 1.45 arc seconds.
  • Light Gathering Power (Compared to human eye): 131x.
  • Optical Coatings: Fully coated glass optics.
  • Optical Tube Length: 34 inches.
  • Barlow Lens: 3x (1.25 inches).



  • Mount Type: Manual Alt-Azimuth.
  • Height Adjustment Range (includes mount and tripod): Aluminum, 52 inches max-height.
  • Total Telescope Kit Weight: 7.0 lb.
  • Software: Starry Night Basic Edition, SkyPortal app.



Aperture80 mm (3.25")
Focal Length900 mm
Focal Ratiof/10
Free ShippingYes
Head DesignAltitude Azimuth
Optical DesignDoublet
Warranty2 Year Warranty


  • ExploraScope 80 mm Achromatic Refractor OTA.
  • ExploraScope Alt-Azimuth Mount.
  • Tripod with Adjustable Aluminum Legs.
  • Accessory Tray/ Spreader.
  • Attached focuser to 1.25 inches.
  • 1.25-inch Eyepiece #1: H 20 mm, 35x mag.
  • 1.25-inch Eyepiece #2: SR 4 mm, 175x mag.
  • 1.25-inch Barlow Lens/ 3x Magnification.
  • 1.25-inch Star Diagonal/ 90-degree Erect Image.
  • StarPointer red dot finder.
  • SkyPortal app.
  • 2 Years Warranty.