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Catadioptric Telescopes
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Celestron NexStar 90 SLT Computerized telescope

Celestron NexStar 90 SLT Maksutov Cassegrain Telescope
Celestron NexStar 90 SLT Maksutov Cassegrain Telescope
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Celestron NexStar 90 SLT Computerized telescope Details

Celestron NexStar 90 SLT Computerized
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Celestron NexStar 90 SLT Computerized telescope Specifications

ManufacturerCelestron
Telescopes seriesCelestron NextStar SLT
Made in-
In production since-
Warranty2 years
SKUC821756
Optical design of telescope Maksutov Cassegrain
Lowest (useful) magnification. 14.334x
Highest (useful) magnification. 234.857x
Field of view - FOV... 17.7166m/1000m
Apperent FOV (angular). 1.1073°
Optical tube size - diameter-
Optical tube length-
Optical tube weight-
Aperture. 90mm
Focal length. 1378.2687mm
Focal ratio. 15.4366
Eyepiece 1 - Focal Length25 mm
Eyepiece 1 . magnification50x
Eyepiece 2 - Focal Length9 mm
Eyepiece 2 . magnification139x
Eyepiece 3 - Focal Length-
Eyepiece 3 . magnification-
Light-gathering power. 181.9315x
Limitting stellar magnitude. 13.5622
Rayleigh Resolution. 1.7091Arc seconds
Dawes Resolution. 1.4284Arc seconds
Secondary mirror size/diameter. 0mm
Secondary mirror obstruction (by diameter). 0%
Secondary mirror obstruction (by area). 0%
Image capturingOptional
Photo adapterOptional
Mount type of buildMotorized Altazimuth
Tripod compliantYes
Type of tripodAdjustable
Tripod materialStainless steel
Min. height.0mm
Max. height.0mm
Software for Stellar NavigationNexRemote, NexStar
GoTo Telescope Control Yes
GoTo Telecope Language-
Telescope GoTo control interfacesAux
Telescope Alignment method SkyAlign, 1-star, 2-star, Auto 2-star, Solar system
Integrated GPSOptional
Tracking Yes
Track rate Lunar, Sidereal, Solar
Track mode Alt-Az, EQ North, EQ South
Telescope Guiding -
Slow motion controller No
Slew Speed Nine Slew Speeds
Com. PortAUX port, Hand control, USB port
Remote Hand ControlFlash upgradeable, Fully computerized
ColorBlack
Power Supply Unit12 V
Energy consumption.0W
Lens coatings Fully coated
Type of Focuser1.25"
Eyepiece barrel size1.25'' / 31.75 mm
Eyepiece angle90°
Barlow diverging lens Not Included
LevelNo
Total gear weight.0kg
Finder - Scope StarPointer
Recommended forBeginners, Intermediate
Suitable for observingAstrophotography, Galaxies, Moon, Planets

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