Teleskop Celestron PowerSeeker 114EQ

General Features Quick and easy no-tool setup Slow motion controls for smooth tracking Erect image optics - Ideal for terrestrial and astronomical use Fully coated glass optical components with high transmission coatings for enhanced image brightness and clarity 3x Barlow lens triples the magnifying power of each eyepiece Accessory tray for convenient storage of accessories " The Sky® " Level 1 planetarium software with 10, 000 object database and enhanced images Description : PowerSeeker telescopes are a great way to open up the wonders of the Universe to the aspiring astronomer! The Celestron PowerSeeker series of telescopes is designed to give the first-time buyer the perfect combination of quality, value, features and power. Offering exceptional value, these telescopes feature portable yet powerful designs with ample optical performance to excite any newcomer to the world of amateur astronomy. Specification : Optical Design : Newtonian Reflector Aperture ( mm) : 114 mm ( 4.49 in) Focal Length ( mm) : 900 mm ( 35 in) Focal Ratio : 7.89 Eyepiece 1 ( mm) : 20 mm ( 0.79 in) Magnification 1 : 45 x Eyepiece 2 ( mm) : 4 mm ( 0.16 in) Magnification 2 : 225 x Barlow Lens : 3 x Finderscope : 5x24 Mount : German Equatorial Accessory Tray : No-Tool Tray with Eyepiece holder CD ROM : " The SkyX" Planetarium Software Tripod : Aluminum Weight ( lbs) : 19 lbs ( 8.62 kg) Highest Useful Magnification : 269 x Lowest Useful Magnification : 16 x Limiting Stellar Magnitude : 12.8 Resolution ( Rayleigh) : 1.22 arc seconds Resolution ( Dawes) : 1.02 arc seconds Photographic Resolution : 253 line/ mm Light Gathering Power : 265 x Angular Field of View ( deg) : 0.9 ° Linear Field of View ( @ 1000 yds) : 48 ft ( 15 m) Secondary Mirror Obstruction : 1 in ( 25 mm) Secondary Mirror Obstruction by Diameter : 22 % Secondary Mirror Obstruction by Area : 4.96 %