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Celestron AstroMaster 90 EQ

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Celestron AstroMaster 90 EQ Details

Celestron AstroMaster 90 EQ
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Celestron AstroMaster 90 EQ Specifications

Telescope seriesCelestron AstroMaster
Made in-
In production since-
Warranty2 years
Optical design Refracting telescope
Lowest useful magnification. 14.334x
Highest useful magnification. 234.857x
Field of view... 17.7166m/1000m
Apparent field of view (deg.). 1.1073°
Optical tube diameter-
Optical tube length914 mm
Optical tube weight-
Aperture. 90mm
Focal length. 1102.615mm
Focal ratio. 12.1288
Focal Length of Eyepiece 120 mm
Magnification of Eyepiece 150x
Focal Length of Eyepiece 210 mm
Magnification of Eyepiece 2100x
Focal Length of Eyepiece 3-
Magnification of Eyepiece 3-
Light gathering power. 181.9315x
Limitting stellar magnitude. 13.5622
Resolution Rayleigh. 1.7091Arc seconds
Resolution Dawes. 1.4224Arc seconds
Image CaptureNo
Photo adapterOptional
Mount type of buildCG-3 Equatorial
Tripod adaptableYes
Tripod typeAdjustable
Tripod materialStainless steel
Minimal height.895.7316mm
Maximal height.1427.5723mm
Stellar navigation softwareSkyPortal App, Starry Night Basic Edition
GoTo Control No
GoTo Language-
GoTo control interfaces-
Alignment method -
Tracking No
Tracking rates -
Tracking Modes -
Guiding performance -
Slow motion controls yes, both axes
Slew Speed -
Communication Ports-
Computer hand controlNo
Power Supply-
Power consumption.0W
Lens coating Fully coated
Focuser Type1.25" Rack and pinion
Eyepiece barrel diameter1.25'' / 31.75 mm
Eyepiece angle90°
Barlow lens Not Included
Bubble levelNo
Total kit weight.0kg
Finderscope StarPointer
Recommended forBeginners
Suitable for observingMoon, Planets, Terrestrial


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