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CELESTRON NexStar 4SE Computerized 11049 TelescopeType: TelescopesSpecifications: Optical Design: Maksutov-Cassegrain
Aperture (mm): 102 mm (4.02")
Focal Length: 1325 mm (52")
Focal Ratio: 13
Focal Length of Eyepiece 1 (mm): 25 mm (0.98")
Magnification of Eyepiece 1: 53 x
Finderscope: StarPointer
Star Diagonal:"ternal Flip mirror for straight thru or 90 viewing angle
Mount Type: Single Fork Arm Altazimuth
Tripod: Steel with built-in wedge
Power Requirements: 8-AA batteries (not"cluded)
Highest Useful Magnification: 241 x
Lowest Useful Magnification: 15 x
Limiting Stellar Magnitude: 12.5
Resolution (Rayleigh): 1.37 arc seconds
Resolution (Dawes): 1.14 arc seconds
Light Gathering Power (Compared to human eye): 212 x
Apparent Field of View: 1 degree
Secondary Mirror Obstruction: 1.38" (35 mm)
Secondary Mirror Obstruction by Area: 12 %
Secondary Mirror Obstruction by Diameter: 34 %
Optical Coa...Model #: 11049
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CELESTRON NexStar 130 SLT Computerized TelescopeType: TelescopeSpecifications: Optical Design : Reflector
GPS : Optional CN-16 GPS Accessory
Weight : 18 lbs. (8.16 kg)
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)
Magnification 1 : 26 x
Eyepiece 2 : 9 mm (0.35 in)
Magnification 2 : 72 x
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
Angular Field of View : 1.7 °
Linear Field of View (@1000 yds) : 91 ft (27.74 m)
Optical Coatings : Aluminum
Secondary Mirror Obstruction : 1.7 in...Model #: 31145
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Celestron NexStar Evolution 8" Telescope Kit with Integrated WiFiType: TelescopesAccessory: KitSpecifications: Optical Design: Schmidt Cassegrain Aperture: 203.2mm Focal Length: 2032 mm Focal Ratio: 10 Focal Length of Eyepiece 1: 40 mm Focal Length of Eyepiece 2: 13 mm Magnification of Eyepiece 1: 51x Magnification of Eyepiece 2: 156x Finderscope:StarPointer Star Diagonal:1.25" Mount Type:Single Fork Arm Altazimuth Tripod:Stainless Steel Power Requirements:Internal battery included HIghest Useful Magnification:480x Lowest Useful Magnification:29x Limiting Stellar Magnitude:14 Resolution (Rayleigh):0.69 arc seconds Resolution (Dawes):0.57 arc seconds Light Gathering Power (Compared to human eye):843x Secondary Mirror Obstruction:2.5 in(64 mm) Secondary Mirror Obstruction by Area:9.77% Optical Coatings:StarBright XLT Optical Tube Length:17 in Max Slew Speed:4 degrees per second Tracking Rates:Sidereal, solar and lu...Model #: 12091
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CELESTRON 21049 PowerSeeker 127 EQType: TelescopeSpecifications: OPTICAL DESIGN: Newtonian Reflector
APERTURE: 127 mm (5 in)
FOCAL LENGTH: 1000 mm (39.37 in)
FOCAL RATIO: 7.87
EYEPIECE 1: 20 mm (0.79 in)
MAGNIFICATION 1: 50 x
EYEPIECE 2: 4 mm (0.16 in)
MAGNIFICATION 2: 250 x
BARLOW LENS: 3 x
FINDERSCOPE: 5x24
MOUNT: German Equatorial
TRIPOD: Aluminum
ACCESSORY TRAY: No-Tool Tray w/ Eyepiece holder
CD ROM: The Sky Level 1
WEIGHT: 17 lb (7.71 kg)
LIMITING STELLAR MAGNITUDE: 13
RESOLUTION: 1.09 arc seconds
RESOLVING POWER: 0.91 arc seconds
PHOTOGRAPHIC RESOLUTION: 254 line/mm
LIGHT GATHERING POWER: 329 x
ANGULAR FIELD OF VIEW: 0.8 °
LINEAR FIELD OF VIEW (@1000 YDS): 43 ft (13.11 m)
OPTICAL COATINGS: Aluminum
SECONDARY MIRROR OBSTRUCTION: 1.6 in (40.64 mm)
SECONDARY MIRROR OBSTRUCTION BY AREA: 10 %
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 32 %
OPTICAL TUBE LENGTH: 20 in (...Model #: 21049