Meade LX90-12ACF 12" f/10 Catadioptric GoTo Telescope

Meade LX90-12ACF 12" f/10 Catadioptric GoTo Telescope

Meade LX90-12ACF 12" f/10 Catadioptric GoTo Telescope

B&H # MELX90ACF12Q MFR # 1210-90-03
More on the Way
Expected availability: 7-14 business days

Includes Free

Value: $29.89

Product Highlights

  • 12" (305mm) Catadioptric OTA
  • 3048mm 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 with Tours
  • Astronomer Inside Multimedia System
  • 26mm Eyepiece, 90° Diagonal
  • 8x50 Finderscope with Crosshair Reticle
  • Adjustable-Height Stainless Steel Tripod
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Meade LX90-ACF overview

  • 1Description

With the largest aperture in the series for making detailed lunar and planetary observations and the ability to reach far beyond our solar system, the Meade Instruments LX90-12ACF 12" f/10 Catadioptric GoTo Telescope utilizes their Advanced Coma Free 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 that 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 boost 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 on-board speaker. Multiple assisted alignment procedures helps to get users observing faster, aided by an on-board 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 and downloaded to the controller, and uploaded to the internet and shared.

An aluminum dual-tine alt-az fork mount carries the OTA and runs on eight user-supplied C-cell batteries for off-the-grid observation sessions, and 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 a 8x50 finderscope finderscope. Powerful, portable, and versatile, this 12" iteration of the LX90 can be broken-down for transport to remote locations to reveal the wonders of the universe.

Optical Tube Assembly
  • 12" (305mm) aperture
  • f/10 focal ratio
  • 3048mm focal length
  • Advanced Coma-Free catadioptric design
  • Ultra-High Transmission Coatings (UHTC) system
  • Resolution: 0.38 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
  • Improves 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/moon rise/moon set, Meteor showers; Lunar/solar eclipses, Equinoxes/solstices
  • SmartDrive 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
  • Updateable 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 from 34-54" accommodates a variety of users and viewing positions
  • Center tray hold accessories and eyepieces, while acting as a stabilizer for the legs to improve stability and limit vibrations
  • Spiked feet provide improved stability in 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 117x
  • 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: 709942370546
In the Box
Meade LX90-12ACF 12" 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 One-Year Warranty
  • Table of Contents
    • 1Description

    Meade LX90-ACF specs

    Optical Design Advanced Coma Free Catadioptric
    Aperture 12.0" / 304.8 mm
    Focal Length 3048mm
    Focal Ratio f/10
    Eyepiece Barrel Diameter 1.25"
    Diagonal 90° star
    1.25" snout and eyepiece holder
    Finderscope 8 x 50
    Illuminated crosshair reticle
    Tripod Adjustable-height stainless steel
    Mount Type Dual-Tine motorized alt-azimuth fork
    GO-TO Capability AudioStar hand controller
    Power Source 8 x C-cell batteries
    Optical Tube Dimensions Not specified by manufacturer
    Weight OTA/Mount: 60.0 lb / 27.2 kg
    Tripod: 25.0 lb / 11.3 kg
    Packaging Info
    Package Weight 80.6 lb
    Box Dimensions (LxWxH) 38.0 x 27.0 x 22.0"

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