Celestron Omni XLT 102mm Refractor Telescope . The Celestron Omni XLT102 Telescope by Celestron has a large 102mm Lens that is capable of giving a great image of the Moon Saturn and its rings Jupiter and its moons nebulae and star clusters. Celestron Omni XLT Series Telescopes have StarBright XLT Optical Coatings that enhances light transmission providing maximum contrast and image sharpness. The StarBright XLT Coatings also present a clear an unblurred image. This telescope is a Refractor Telescope making it easy to maintain with its enclosed lens and also making it great for terrestrial viewing. These Celestron Telescopes have a 25mm multi-coated eyepiece that is capable of a high 40X magnification. The Celestron Omni XLT 102mm Telescope also features the stable platform of the CG-4 German Equatorial Mount. This Equatorial Mount is responsible for accurately locating and tracking objects due to its setting circles and slow motion controls. Holding up these high quality components is the telescope 's heavy duty tripod that features 1.75" stainless steel legs. The Celestron Omni XLT102 Telescope is also an ideal telescope for astrophotography. When used with the optional dual-axis motor drive (Model #93522) and the polar axis finder (Model #94221) to track objects for long exposure photography these Telescopes can produce superior quality photographs. With these features of high quality optics and materials the Celestron Omni XLT 102mm Refractor Telescope 21088 will ensure stability durability and will give the user a lifetime of enjoyment in astronomy. Specifications for Celestron Omni XLT 102mm Refractor Telescope 21088: OPTICAL DESIGN: Refractor APERTURE: 102 mm (4.02 in) FOCAL LENGTH: 1000 mm (39.37 in) FOCAL RATIO: 9.8 EYEPIECE 1: 25 mm (0.98 in) MAGNIFICATION 1: 40 x FINDERSCOPE: 6x30 OPTICAL COATINGS: StarBright XLT MOUNT: Omni CG-4 Equatorial TRIPOD LEGS: 1.75" Stainless COUNTERWEIGHTS: 7lbs (3.2 kg) and 4lbs (1.8 kg) HIGHEST USEFUL MAGNIFICATION: 240 x LOWEST USEFUL MAGNIFICATION: 15 x LIMITING STELLAR MAGNITUDE: 12.5 RESOLUTION: 1.36 arc seconds RESOLVING POWER: 1.14 arc seconds LIGHT GATHERING POWER: 212 x ANGULAR FIELD OF VIEW: 1.25 LINEAR FIELD OF VIEW (at1000 YDS): 66 ft (20.12 m) OPTICAL TUBE LENGTH: 39.5 in (1003.3 mm) OPTICAL TUBE WEIGHT: 9.5 lb (4.31 kg) EQ MOUNT WEIGHT: 21 lb (9.53 kg) TRIPOD WEIGHT: 12.5 lb (5.67 kg) WEIGHT: 43 lb (19.5 kg) Features of Celestron Omni XLT102 Refractor Telescopes 21088: High quality optics hand selected so only the finest grade of optical glass is used StarBright XLT coatings provide maximized light transmission 25mm multi-coated eyepiece - 20mm eye relief 1.25" star diagonal CG-4 German Equatorial Mount with setting circles and slow motion controls - to accurately locate and track sky objects Ball bearings in both axis of the mount for smooth performance Heavy-duty pre-assembled stainless steel tripod featuring 1.75" legs accessory tray and bubble level Easy no-tool setup The Sky Level 1 planetarium software with 10000 object database and enhanced images Package Contents: Celestron Omni XLT 102mm Refractor Telescope 21088 Heavy-duty tripod Planetarium software Specifications for Celestron Omni XLT 102mm Refractor Telescope - 21088: Manufacturer: Celestron Color: Silver