Celestron C8-N Newtonian Telescope Advanced OTA View larger

Celestron 8 Inch Newtonian Telescope Advanced OTA

C8-N

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Data sheet

Optical Design Newtonian
Aperture 8 inch
Focal Length 1000 mm
Focal Ratio F5
Finderscope 9x50
Optical Coatings Aluminum
Optical Tube Length 37 inch

More info

The optics of the C8-NGT telescope are manufactured to Celestron‘s uncompromising standards. The C8-N uses diffraction-limited parabolic primary mirrors for razor sharp star images across a wide field of view. 

Includes premium accessories including a 9x50 finderscope with bi-directional alignment screws and a spring loaded pivot support, 20mm Plössl 1-1/4" eyepiece, 2" rack & pinion focuser with T-thread.

  • High quality 8" reflector

  • 9x50 finderscope with bi-directional alignment screws and a spring loaded pivot support

  • 2" rack and pinion focuser allows for use with 2" or 1.25" eyepieces, with T-thread for direct SLR connection (you'd also need a camera specific T-ring)

OPTICAL DESIGN: Reflector 
APERTURE: 203.2 mm (8 in)
FOCAL LENGTH: 1000 mm (39.37 in)
FOCAL RATIO: 4.92 
FINDERSCOPE: 9x50 
EYEPIECE 1: 20 mm (0.79 in)
MAGNIFICATION 1: 50 x
HIGHEST USEFUL MAGNIFICATION: 480 x
LOWEST USEFUL MAGNIFICATION: 29 x
LIMITING STELLAR MAGNITUDE: 14 
RESOLUTION (RAYLEIGH): 0.69 arcsec
RESOLUTION (DAWES): 0.57 arcsec
PHOTOGRAPHIC RESOLUTION: 400 line/mm
LIGHT GATHERING POWER: 843 x
ANGULAR FIELD OF VIEW: 1 °
LINEAR FIELD OF VIEW (@1000 YDS): 53 ft (16.15 m)
OPTICAL COATINGS: Aluminum 
SECONDARY MIRROR OBSTRUCTION: 2.2 in (55.88 mm)
SECONDARY MIRROR OBSTRUCTION BY AREA: 7.6 %
SECONDARY MIRROR OBSTRUCTION BY DIAMETER: 27.5 %
OPTICAL TUBE LENGTH: 37 in (939.8 mm)
TELESCOPE WEIGHT: appr 11kg

2-year Telescope Warranty

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Accessories

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