Celestron NexStar 130 SLT 5.1\"/130mm Comparison

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1.7

91 ft @ 3000 ft

Optical Design : Reflector GPS : Optional CN-16 GPS Accessory Aperture : 130 mm (5.12 in) Focal Length : 650 mm (25.59 in) Focal Ratio : 5 Finderscope : StarPointer Mount : Motorized Altazimuth Eyepiece 1 : 25 mm (0.98 in) Eyepiece 2 : 9 mm (0.35 in) Accessory Tray : No Tool, Quick release Tripod : Steel CD ROM : "The Sky®" Level 1 and NexStar Observers List (v2.6.4c) Highest Useful Magnification : 307 x Limiting Stellar Magnitude : 13.1 Resolution (Rayleigh) : 1.07 arcsec Resolution (Dawes) : 0.89 arcsec Photographic Resolution : 400 line/mm Light Gathering Power : 345 x Optical Coatings : Aluminum Secondary Mirror Obstruction : 1.7 in (43.18 mm) Secondary Mirror Obstruction by Area : 11 % Secondary Mirror Obstruction by Diameter : 33.2 % Computer Hand Control : Fully Computerized / Flash Upgradeable Slew Speeds : Nine slew speeds: 4/sec, 2/sec, 1/sec, .5/sec, 32x, 16x, 8x, 4x, 2x Tracking Rates : Sidereal, Solar and Lunar Tracking Modes : Alt-Az, EQ North and EQ South Alignment Procedures : SkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align