Meade LX90-10ACF 10" f/10 Catadioptric GoTo Telescope

Meade LX90-10ACF 10" f/10 Catadioptric GoTo Telescope

Meade LX90-10ACF 10" f/10 Catadioptric GoTo Telescope

B&H # MELX90ACF10Q MFR # 1010-90-03

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Product Highlights

  • 10" (254mm) Catadioptric OTA
  • 2500mm Focal Length, f/10 Focal Ratio
  • Advanced Coma-Free/UHTC Optical Systems
  • Motorized Dual-Tine Alt-Az Fork Mount
  • AudioStar GoTo Computer Hand Controller
  • 30,000+ Object Database, Guided Tours
  • Astronomer Inside Multimedia System
  • 26mm Eyepiece, 90° Diagonal
  • 8x50 Finderscope with Crosshair Reticle
  • Adjustable-Height Stainless Steel Tripod
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Options: OTA, Mount, and Tripod

OTA and Mount

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OTA, Mount, and Tripod

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Meade LX90-10ACF overview

  • 1Description

Representing the midrange in the series for the perfect combination of power and portability, the Meade Instruments LX90-10ACF 10" f/10 Catadioptric GoTo Telescope utilizes their Advanced Coma-Free (ACF) catadioptric light path to reduce color fringing and off-axis comas to enable it to clearly resolve dim deep-sky objects and easily split binary stars with tack-sharp clarity. Complementing the ACF system is their Ultra-High Transmission Coatings (UHTC) system, which improves light transmission through the entire light path across the whole visible spectrum. A combination of high-transmittance lens coatings and highly reflective mirror coatings boosts image brightness while minimizing internal and external light loss and diffraction.

The next generation of their iconic GoTo system, the AudioStar hand controller, is packed with over 30,000 objects and features audio commentary on select celestial objects to give users information, history, and mythology through its onboard speaker. Multiple assisted alignment procedures help to get users observing faster, aided by an onboard 16-channel GPS module for precise setup and alignment. There is also an option for guided tours to be generated by the AudioStar, or to be custom-made by the user, downloaded to the controller, and uploaded to the internet and shared.

An aluminum dual-tine alt-az fork mount carries the optical tube assembly (OTA) and runs on eight user-supplied C-cell batteries for off-the-grid observation sessions. Supporting the entire system is an adjustable-height stainless steel tripod. To get users out and observing immediately, Meade includes a low-power eyepiece, a 90° star diagonal, and an 8x50 finderscope. Powerful, portable, and versatile, this 10" iteration of the LX90 can be broken down for transport to remote locations to reveal the wonders of the universe.

Optical Tube Assembly
  • 10" (254mm) aperture
  • f/10 focal ratio
  • 2500mm focal length
  • Advanced Coma-Free catadioptric design
  • Ultra-High Transmission Coatings (UHTC) system
  • Resolution: 0.456 arcsec, Dawes' Limit
  • Single-speed internal focusing mechanism
  • 1.25" SCT screw-in visual back
Optical Technologies
  • Advanced Coma-Free System:
  • Reduces off-axis comas and astigmatism for sharper images
  • Eliminates diffraction spikes for better resolution
  • Aplanatic design produces flat, distortion-free images across the field of view, especially at the edges
  • Ultra-High Transmission Coatings (UHTC):
  • All corrector plate and mirror surfaces are fully multi-coated
  • Engineered to optimize visual, photographic, and CCD imaging
  • Improve light transmission across the entire visible spectrum through the optical path
  • Corrector plate coatings made up of multiple layers of aluminum oxide (Al2O3), titanium dioxide (TiO2), and magnesium fluoride (MgF2)
  • Mirror coatings consist of aluminum with multi-layer coatings of titanium dioxide (TiO2) and silicon dioxide (SiO2)
AudioStar GoTo Computer Hand Controller
  • Two-line LED display
  • Twenty-key alphanumeric keypad, red LED backlight
  • 68HC11, 8MHz processor
  • Built-in red utility light
  • 30,000+ object database
  • User-friendly menu-driven system navigation
  • Slew speeds: 1x, 2x, 8x, 16x, 64x, 128x sidereal; 1.5°/sec, 3°/sec, 6.5°/sec, max
  • Tracking rates: Sidereal, Lunar, Custom (select from 2000 incremental rates)
  • Assisted alignment procedures: Easy (Two-Star), One-Star, Two-Star
  • Customizable guided tours for specific day, time, and location
  • Astronomer Inside: Built-in speaker provides over 5 hours of audio commentary on over 500 objects including scientific data and history
  • Projects events to plan future astronomy sessions such as sunrise/sunsets, Moon phases/moonrise/moonset, meteor showers; lunar/solar eclipses, equinoxes/solstices
  • Smart Drive Permanent Periodic Error Correction (PPEC) allows system to learn tracking errors and continually improve tracking over time
  • Backlash compensation allows user to train out the intrinsic play between gears to improve GoTo and tracking accuracy
  • Powered by mount to be lighter and easier to use
  • 24" coiled cord
  • Updatable via Internet, and remote computer control of the mount, using RS-232 port
  • Database objects:
  • Solar system, including Moon, Sun, planets
  • Comets and asteroids
  • 88 major constellations
  • Popular named objects
  • Galaxies, quasars, and nebulae
  • Multiple catalogs including Messier, Caldwell, and NGC
  • Stars, including named stars, SAO catalog, double stars, variable stars
  • Satellites, including the International Space Station (ISS) and Hubble Space Telescope (HST)
  • User-defined astronomical and terrestrial objects
  • Dimensions:
  • Length: 6.6" (17cm)
  • Width, top: 3.2" (80cm)
  • Width, bottom: 2.25" (57cm)
  • Depth: 0.8" (21cm)
  • Weight: 17.9 oz (508g)
Mount and Tripod
  • Mount:
  • Aluminum motorized dual-tine alt-azimuth fork
  • Integrated 16-channel GPS module obtains accurate day, time, location information without requiring user input
  • Large 4.875" worm gears
  • Dual-axis mechanical locks allow adjustment without power
  • Adjustable hand controller holder keeps AudioStar safe while avoiding cord-wrap
  • Runs on eight user-supplied C-cell batteries; 60-hour max runtime
  • Tripod:
  • Stainless steel legs provide a solid platform with limited vibrations
  • Adjustable height of 34-54" accommodates a variety of users and viewing positions
  • Center tray holds accessories and eyepieces, while acting as a stabilizer for the legs to improve stability and limit vibrations
  • Spiked feet provide improved stability on soft or uneven ground
  • Weight: 25 pounds
Included Accessories
  • Eyepiece:
  • 1.25"-diameter barrel
  • Accepts most 1.25" astronomical filters
  • 26mm Super Plossl eyepiece produces 96x
  • 52° apparent angle of view
  • 18mm eye relief
  • Fold-down rubber eyecup
  • Diagonal:
  • 1.25" snout and eyepiece holder
  • 90° angle places head in a comfortable viewing position, especially when OTA is pointed at or near the zenith
  • Star configuration corrects images horizontally, but not vertically
  • Finder:
  • 8x50 configuration
  • Low magnification provides a wide field of view for easier object finding
  • Large aperture reveals many objects smaller finders can't
  • Illuminated crosshair reticle ensures proper centering without obstructing target
  • Variable-intensity LED illumination
  • Quick release mounting bracket
UPC: 709942370522
In the Box
Meade LX90-10ACF 10" f/10 Catadioptric GoTo Telescope
  • Series 4000 26mm Super Plossl Eyepiece (1.25")
  • Standard Field Tripod
  • AudioStar GoTo Hand Controller
  • #828 8x50 Rear-Focus Viewfinder (Blue)
  • 1.25" 90° Star Diagonal
  • Motorized Altazimuth Mount
  • Set - Hex Wrenches
  • Bubble Level / Compass Eyepiece Insert
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Meade LX90-10ACF specs

    Optical Tube Assembly
    Optical Design Schmidt Cassegrain
    Aperture 254 mm / 10"
    Focal Length 2500 mm
    Focal Ratio f/10
    Eyepiece Barrel Diameter 1.25"
    Diagonal Yes, 90 Star
    Finderscope Yes
    Mount
    Type Motorized; Alt-Azimuth Dual Fork
    GoTo Capability Yes, AudioStar
    Tripod
    Type Adjustable
    Material of Tripod Stainless Steel
    General
    Batteries 8 x C
    Weight 33.0 lb / 15.0 kg (Fully Assembled)
    25.0 lb / 11.3 kg (Tripod)
    Packaging Info
    Package Weight 97.5 lb
    Box Dimensions (LxWxH) 39.0 x 38.0 x 38.0"

    Meade LX90-10ACF reviews

    LX90-10ACF 10" f/10 Catadioptric GoTo Telescope is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from 10 LX-90 ACF A REAL WINNER RIGHT OUT OF THE BOX THE LX-90 WAS A SNAP TO SET UP ...GOOD OPERATING MANUAL PROVIDED ....TURN ON THE SCOPE AND THE AUTO STAR CONTROLLER ASKS YOU TO POINT SCOPE TO THE NORTH AND LEVEL...IT THEN DOES A GO-TO TO TWO BRIGHT STARS.....WHEN CENTERED YOU HIT ENTER AND YOU ARE READY TO GO IN 5 MINUTES......VERY ACCURATE GO=TO'S WITH EVERYTHING IN A 26MM EYEPIECE....THE OPTICS ARE RAZOR SHARP , THE BEST THAT I HAVE USED......STARS ARE PINPOINT TO THE EDGE .....JUPITER SHOWS MUCH DETAIL....THIS SCOPE GETS AN A+ FROM ME .....VERY HAPPY AND WOULD RECOMMEND PURCHASE TO ANYONE .......
    Date published: 2010-11-02
    • y_2018, m_11, d_8, h_15
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