Celestron Celestron StarSense Explorer DX 102 Refractor Telescope

Product Description

Celestron StarSense Explorer DX 102 Celestron has reinvented the manual telescope with StarSense Explorer—the first telescope that uses your smartphone to analyse the night sky and calculate its position in real time. StarSense Explorer is ideal for beginners thanks to the app’s user-friendly... read more

MPN: 22460-CGL

Barcode: 050234224604



  • Optical Design: Refractor
  • Aperture: 102mm (4.01")
  • Focal Length: 660mm (25.98")
  • Focal Ratio: f/6.5
  • Focal Length of Eyepiece 1: 25mm (0.98")
  • Magnification of Eyepiece 1: 26x
  • Focal Length of Eyepiece 2: 10mm (0.39")
  • Magnification of Eyepiece 2: 66x
  • Barlow Lens: None
  • Finderscope: StarPointer™ red dot finderscope
  • Star Diagonal: Erect image 90° (1.25")
  • Optical Tube: Aluminum
  • Highest Useful Magnification: 240x
  • Lowest Useful Magnification: 15x
  • Limiting Stellar Magnitude: 12.5
  • Resolution (Rayleigh): 1.37 arc seconds
  • Resolution (Dawes): 1.14 arc seconds
  • Light Gathering Power (Compared to human eye): 212x
  • Optical Coatings: Fully XLT Coated glass optics
  • Optical Tube Length: 812.8mm (32")
  • Optical Tube Diameter: 118mm (4.64")
  • Optical Tube Weight: 5 lbs (2.26 kg)
  • Dovetail: CG-5 Dovetail Bar



  • Mount Type: Manual Alt-Azimuth
  • Height adjustment range (includes mount and tripod): Aluminum, 1244.6mm (49") max height
  • Tripod Leg Diameter: N/A
  • Accessory Tray: Yes
  • Tripod Weight: 9.2 lbs (4.17 kg)
  • Slew Speeds: Manual
  • GPS: Uses phone's GPS
  • Dovetail Compatibility: CG-5 Dovetail bar
  • Power Requirements: None (Recommend PowerTank Glow to keep phone charged while using app)
  • Alignment Procedures: Use StarSense Explorer app
  • Software: StarSense Explorer app | SkyPortal app | Celestron Starry Night Basic Edition Software
  • Total Kit Weight: 14.2 lbs (6.44 kg)
  • Included Items: Telescope tube | Mount/tripod (preassembled) | 25mm & 10mm eyepieces | Erect image diagonal | StarPointer finderscope | Accessory tray | StarSense Explorer phone dock

MPN: 22460-CGL

Barcode: 050234224604


Spread the cost with finance on selected products. Make that dream purchase a reality and buy the latest and greatest from Castle Cameras today. There are various options available, including (subject to promotion) interest free credit. We are currently only offering finance through our Mail Order / On-line services. If you need any further information please call our team on 01202 526606 or e-mail enquiries@castlecameras.co.uk

Customer Reviews

By on
"Really happy with product and how quickly it was delivered. Had a problem with one of the parts but this was sorted very quickly and efficiently when I called up the store. "
Star Rating 5

Celestron StarSense Explorer DX 102 Refractor Telescope


in stock Good Stock

Product Code: EW27864

+ Recommended Binoculars & Scopes
Celestron Universal Smart Phone Adapter, 3-Axis

Product Summary

One year UK Warranty

  • Use your smartphone to analyse the night sky and calculate its position in real timeUltra-stable altazimuth mount with slow motion control
  • 4 inch high-grade Newtonian reflector with erecting eyepiece for terrestrial use as a high-power spotting scope
  • Sturdy Tripod
  • Ideal for beginners thanks to the free app's user-friendly interface and detailed tutorials
  • + You may also like

    Home Delivery Checker*

    UK mainland delivery from FREE
    + Available Delivery Options

    FREE Collect in store - Bournemouth

    £8.00 Courier