Teleskop AstroMaster 90EQ

Optical Design Refractor Aperture ( mm) 90 mm ( 3.54 in) Focal Length ( mm) 1000 mm ( 39 in) Focal Ratio 11 Eyepiece 1 ( mm) 20 mm ( 0.79 in) Magnification 1 50 x Eyepiece 2 ( mm) 10 mm ( 0.39 in) Magnification 2 100 x Finderscope Built-on StarPointer Star Diagonal Erect Image Diagonal - 1.25" Mount CG-3 Equatorial Tripod 1.25" steel tube legs Weight ( lbs) 27 lbs ( 12 kg) Highest Useful Magnification 213 x Lowest Useful Magnification 13 x Limiting Stellar Magnitude 12.3 Resolution ( Rayleigh) 1.55 arc seconds Resolution ( Dawes) 1.29 arc seconds Light Gathering Power ( Compared to human eye) 165 x Angular Field of View ( deg) 1 ° Linear Field of View ( @ 1000 yds) 53 ft ( 16 m) Optical Coatings Multi Coated Optical Tube Length 36 in ( 914 mm) Tube Attachment Dovetail Bar Package Contents: * Celestron AstroMaster 90 EQ Equatorial * Refractor Telescope 21064 Tripod * Planetarium software