With the Celestron 102AZ, explore our solar system The quick and easy no-tool setup will have you ready to observe in a matter of minutes. For excellent evening viewing, the 102AZ offers brilliant, distinct views of the Moon, planets, star clusters, and more.Additionally, you can use this dual-purpose telescope's erect picture optics throughout the day. Observing lakes, mountain ranges, and wildlife during the day and stargazing at night will be enjoyable. For smooth and precise pointing, a manual altazimuth telescope with a pan handle control is used.Steel tripod that is fully adjustable and has a luxury accessories' tray.Quick and simple, no-tool assembly. Accessories include a finderscope, an upright image diagonal, and eyepieces with 20mm and 10mm focal lengths that are suitable for both terrestrial and astronomical use.All-glass coatings for crystal-clear, detailed images.Includes Celestron Starry Night Software. Technical Specifications Optical Tube:    Optical Design:    RefractorAperture:    102mm (4")Focal Length:    660mm (26")Focal Ratio:    f/6.5Focal Length of Eyepiece 1:    20mm (.78")Magnification of Eyepiece 1:    33xFocal Length of Eyepiece 2:    10mm (.4")Magnification of Eyepiece 2:    66xBarlow Lens:    Not IncludedFinderscope:    Built-in Red Dot FinderStar Diagonal:    Erect Image, 90° (1.25")Optical Tube:    AluminiumHighest Useful Magnification:    241xLowest Useful Magnification:    15xLimiting Stellar Magnitude:    12.5Resolution (Rayleigh):    1.37 arc secondsResolution (Dawes):    1.14 arc secondsLight Gathering Power (Compared to human eye):    212xOptical Coatings:    Fully CoatedOptical Tube Length:    711mm (28")Optical Tube Diameter:    TBDOptical Tube Weight:    4.6 lbs (2.08 kg)Dovetail:    CG-5 Dovetail bar Technical Specifications Mount:    Mount Type:    Manual Alt AzimuthHeight adjustment range (includes mount and tripod):    812.8mm - 1295.4mm (32" - 51")Tripod Leg Diameter:    31.75mm (1.25") steelAccessory Tray:    YesSlew Speeds:    ManualTripod Weight:    7.6 lbs (3.44 kg)Dovetail Compatibility:    CG-5 saddle plateSoftware:    Celestron Starry Night Basic Edition Software and SkyPortal AppTotal Telescope Kit Weight:    12.2 lbs (5.53 kg)Included Items:    Optical tubeTripod and mount (preassembled)20mm and 10mm eyepieceRed-dot finderscopeErect image 90° diagonalManualSolar Warning    Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result.Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.