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

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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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OTA and Mount

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Meade LX90-12ACF 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 (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 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
  • 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 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 1-Year Warranty
  • Table of Contents
    • 1Description

    Meade LX90-12ACF specs

    Optical Tube Assembly
    Optical Design Schmidt Cassegrain
    Aperture 304.8 mm / 12"
    Focal Length 3048 mm
    Focal Ratio f/10
    Eyepiece Barrel Diameter 1.25"
    Diagonal Yes, 90 Star
    Finderscope Yes
    Type Motorized; Alt-Azimuth Dual Fork
    GoTo Capability Yes, AudioStar
    Type Adjustable
    Material of Tripod Stainless Steel
    Batteries 8 x C
    Weight 60.0 lb / 27.2 kg (Fully Assembled)
    25.0 lb / 11.3 kg (Tripod)
    Packaging Info
    Package Weight 80.6 lb
    Box Dimensions (LxWxH) 38.0 x 27.0 x 22.0"

    Meade LX90-12ACF reviews

    LX90-12ACF 12" f/10 Catadioptric GoTo Telescope is rated 5.0 out of 5 by 4.
    Rated 5 out of 5 by from Great Telescope surpassed my expectaions This LX90 12 MEADE grabs more light than my MEADE LX90 8 I am able to see objects that I couldn't see before and other objects much better with more detail than before. Well worth the weight. This one performs just as well as my 8, setup is very simple and the objects slewed are almost always in the center of view.I would recommend this telescope to anyone who is serious about astronomy and enjoys it as much as I do. GREAT JOB MEADE.
    Date published: 2016-01-01
    Rated 5 out of 5 by from EXCELLENT OPTICS & BEST FOR SPECTROSCOPY I thanks B&H store for shipping safe and very fast to INDIA. The telescope is rock solid, it is heavy(30kg) but the design is very very stable. The ACF Optics helps in resolving very small distances between the stars when we see very far double stars without distortion of image. SONY GPS works great and aligns my scope very quickly and easily. It feels best when you see Saturn rings, cloud details on Jupiter, surface details of Mars. You should buy :- 1. MeadeSeries 4000 2 Plossl Eyepiece & Filter Set. 2. Neutral Density Filter for Lunar details. 3. Meade 56mm 2-inches eyepiece for easy tracking. 4.Meade9mm Plossl Eyepiece w/ Cordless Illuminated Reticle (1.25)for centering objects. 5. Planetary and Narrowband filters(for viewing nebula). THIS SCOPE WOULD EXCEED MORE THAN YOUR EXPECTATIONS AND WOULD ASTRONOMY FEEL LIKE MAGIC !!! Thanks to B&H store Wish you a great Festival Season 2016 MERRY CHRISTMAS With lots of love and Blessings from INDIA.
    Date published: 2016-11-22
    Rated 5 out of 5 by from GREAT ORION NEBULA View of the great Orion nebula is fantastic when seen from a 26mm-2 lens. The flares around it are amazing. One could feel himself/herself in SPACE.
    Date published: 2016-12-23
    Rated 5 out of 5 by from DoctorZ loves the Meade LX 90 ACF 12 This is the KING of ACF Scopes, I am very pleased with both the Scope and B&H Photo. They treated me like a KING. Thank you!
    Date published: 2018-11-09
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