Meade LX850-ACF 130mm f/7 Triplet APO Refractor Telescope

Meade LX850-ACF 130mm f/7 Triplet APO Refractor Telescope

Meade LX850-ACF 130mm f/7 Triplet APO Refractor Telescope

B&H # MELX850EMK60 MFR # 0130-85-01
Meade LX850-ACF 130mm f/7 Triplet APO Refractor Telescope

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Expected availability: 3-7 business days

Product Highlights

  • German Equatorial Mount
  • 130mm f/7 Triplet APO Optics
  • Focal Length of 910mm
  • Dual-Speed 3" Crayford Focuser
  • 90 lb Instrument Capacity
  • StarLock Automatic Guider
  • AutoStar II GoTo System
  • Heavy-Duty Tripod
  • Hard Case for APO OTA
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Meade LX850 overview

  • 1Description

The Meade Instruments LX850-ACF 130mm f/7 Triplet APO Refractor Telescope System features a 130mm Series 6000 ED (Extra-low Dispersion) glass Triplet APO telescope with StarLock automatic guider and the LX850 German Equatorial Mount.

The OTA (Optical Tube Assembly) comes with a 5.1” (130mm) diameter fully multi-coated triplet objective lens made from ED glass for good contrast and sharpness, as well as near zero detectable chromatic aberration or color fringing. The OTA features a precise dual-speed 3" Crayford focuser with 10:1 gear reduction for fine focus control. The OTA has a focal length of 910mm, f/7. The telescope comes equipped with a Meade Series 5000 2" (5.08 cm) diagonal prism featuring 99% reflectivity, a Series 5000 HD-60 25mm eyepiece, and an 8 x 50 viewfinder with a quick-release bracket.

The system comes with a StarLock dual imager with an integrated full time guider, ultra precision pointing and assisted drift alignment, 5.8" (14.73cm) 225-tooth polished bronze worm/gear drives with low periodic error, internal cable routing, GPS receiver, AutoStar II GoTo system with over 144,000 object library, heavy-duty adjustable-height tripod with anti-vibration pads, 12V universal AC adapter, Meade zero image shift electronic micro-focuser, telescope to computer USB cable, and AutoStar Suite software.

The StarLock autoguider makes target acquisition on your imaging sensor, and accurate guiding during exposures completely automatic. With Meade's LightSwitch technology at its core, StarLock uses an 80 mm f/5 optic and two camera sensor system to provide computer assisted polar alignment using the drift method. Once aligned the StarLock guides the mount in real time, and even automatically programs periodic error correction, achieving a guiding accuracy of up to 1 arcsecond in good seeing, and with the capability of guiding on stars as faint as 11th magnitude. StarLock requires no calibration, no user focusing or guide star selection.

The LX850 mount, constructed of machined stainless steel and aircraft grade aluminum is a solid platform with a 90 lb (40.82 kg) payload capacity and pointing accuracy as good as 1 arcminute. Features include precision roller bearings on each axis, a 1.75” (4.44 cm) stainless steel RA shaft, 5.8" (14.73 cm) main gears, fine manual adjustment controls on both axis, and illuminated reticle output port. The mount’s main body weight is 55 lb (24.94 kg). The tripod’s height can vary from 29 to 45” (73.66 to 114.3 cm), and has 3" (7.62 cm) diameter stainless steel legs. The tripod weighs 36 lb (16.32 kg). The tripod comes with two 26 lb (11.79 kg) stainless steel counterweight. You can add additional counterweights (sold separately) to attach additional payload to the mount. The tripod features 3 anti-vibration pads to reduce vibrations and shorten damp-down time.


Note: The Meade LX850 Telescope is not meant to look at the Sun. Looking at or near the Sun will cause instant and irreversible damage to your eye. Eye damage is often painless, so there is no warning to the observer that damage has occurred until it is too late. Do not point the telescope at or near the Sun. Do not look through the telescope or Finder Scope as it is moving.


130mm 3-element, air-spaced apochromatic f/7 refractor with 3" Crayford-style 10:1 focuser
Vixen-style mounting plate


Mount body machined from solid 6061-T6 aircraft-grade aluminum and stainless steel
AutoStar II Handbox is used to command the telescope to automatically slew to objects in the night sky
Handbox holder provides a convenient place to place your AutoStar II box, and keeps it at the ready
Starlock Permanent Periodic Error Correction: Correction is retained in AutoStar's memory until overwritten
StarLock Narrow Field OTA feature is used to precisely guide LX850 StarLock system
StarLock Widefield OTA is used to orient the telescope in relation to the sky
Telescope control panel with an on/off switch, 12VDC power connector, electronic focus port, illuminated reticle eyepiece port, 12VDC output, handbox port, RS232 port, StarLock port, auxiliary autoguider port
Double line, 16 character LCD; 20 backlit LED buttons
Semi-automatic drift align procedure for precise polar alignment
Azimuth adjustment knob
Azimuth lock bolts
Latitude adjustment and lock knobs
Altitude scale allows you set the latitude of the observing site using the latitude adjustment knob
GPS sensor can be used to get the precise date, time, and location of your observing site using global positioning satellites
DC servo motors with encoders on both axes
RA drive helps precisely move the telescope around the RA axis
Dovetail rail safety bolt for secure attachment of the safety knob
Dovetail Adapter Attachment Rails: The mount's dovetail adapter will accept both the Losmandy, and Vixen style dovetails
Carry handles to help move the LX850 mount from one location to another
Leg lock for locking leg extension in place
Spreader bar rigidly holds legs open
Tension hub locates extension arms
Extension arms locate tripod legs
Anti-vibration pads to reduce vibrations and shorten damp-down time
UPC: 709942600643
In the Box
Meade LX850-ACF 130mm f/7 Triplet APO Refractor Telescope
  • LX850-ACF 130mm f/7 Triplet APO Refractor Telescope
  • #829 8x50 Rear-Focus Viewfinder (White)
  • Series 5000 HD-60 25mm Eyepiece (1.25")
  • Series 5000 2" Enhanced Diagonal
  • LX850 GoTo EQ Mount with StarLock Autoguider
  • StarLock Optical Tube and Sensor Assembly
  • 26 lb Stainless Steel Counterweight for LX850 Telescope udsdesbstycrafycwtvtcfwwfdzq
  • Counterweight Shaft with Safety Nut
  • LX850 Field Tripod
  • LX850 Accessories
  • LX850 Control Panel
  • Autostar II Hand Controller
  • StarLock Cable
  • StarLock Counterweight
  • Custom Utility Tool
  • 5/16" Hex Head Wrench
  • DVD with AutoStar Suite and Software
  • #507 Connecting Cable with USB Adapter
  • Internal Cable Fish Tool
  • 3 x Anti-Vibration Pad
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Meade LX850 specs

    Clear Aperture 130 mm
    Optical Design Apochromatic refractor
    Focal Length 910 mm
    Focal Ratio f/7
    Mounting OTA: Vixen-style mounting plate
    Optical Coatings Fully multi-coated
    Resolving Power Dawes Limit: 0.89 arcseconds
    Viewfinder 8 x 50 mm with cross-hair reticle
    Eyepiece HD-60 25 mm, long eye relief
    Diagonal Series 5000 2.00" (5.08 cm) with enhanced 99% reflectivity
    Focus System Crayford-style 3" zero image-shift focuser with dual speed 10:1 control
    Power 12 VDC 5 A, using supplied Meade Universal Power Supply
    Optical Tube Aluminum
    Lens FK61 extra-low dispersion glass
    Weight OTA: 25.00 lb (11.33 kg)
    Mount Type German Equatorial
    Gear Main: RA & DEC: 5.80" (14.73 cm) undercut 225 tooth aluminum
    Gear Worm: RA & DEC: 0.68" (1.72 cm) diameter precision-machined brass
    Shaft Diameter Counterweight: 1.75" (4.44 cm) diameter, 12.00" (30.48 cm) long threaded stainless steel
    Counterweight One 26.0 lb (11.8 kg)
    Weight Counterweight Shaft and Cap: 12.50 lb (5.66 kg)
    Tracking Distance Past Meridian 20°
    Mounting System OTA: Vixen-style dovetail
    Payload Capacity Instruments: 90.00 lb (40.80 kg)
    Latitude Range 10 to 70°
    Tripod Giant folding adjustable height tripod with 3.00" (7.62 cm) diameter aluminum legs. Height from 29.00 to 45.00" (73.66 to 114.30 cm)
    Control Panel 12 VDC in, 12 VDC out, Power, Focuser, Reticle, Handbox port, 1 computer connection port (RS232), 1 StarLock port, 1 Auxiliary guide port
    Control Computer: AutoStar II GoTo system
    Onboard Celestial Object Database Over 1,44,000 objects, Catalogs Included: Index catalog (5,386); NGC catalog (7,840); Partial Caldwell catalog (109); Messier catalog (110); Earth orbiting satellites (26); Planets (9); Uppsala galaxy catalog (12,940); Morphological catalog of galaxies (12,939); General catalog of variable stars (29,364); SAO and Hipparcos star catalogs (42,277); Draper star catalog (21,160); Yale bright star catalog (8,977); Large Bright Quasars Survey (LBQS) (1,055); Named objects (4,313); Herschel catalog (400); Abell catalog of galaxy clusters (2,712); Arp catalog of peculiar galaxies (635); Lunar features (1,754); Asteroids and comets (120); Constellations (88); Solar/Lunar eclipses, Meteor showers (492)
    Control Computer Hand: Double line, 16 character LCD; 20 backlit LED buttons
    GPS Yes
    Sensors Home Sensors: Both RA and DEC axes
    Internal Clock Yes
    Cabling Type Internal
    Slew Speed 3°/second
    Tracking Rates 0.01 to 1x, 2x, 8x, 16x, 1/4°, 1/2°, 1°, 3°
    Tracking Modes EQ North and South
    Alignment Alignment Procedures: 2-Star Align, 1 Star Polar Align, StarLock-assisted drift align, Easy Alignment, and Align on Home
    Camera Wide-field: 25 x 26 mm f/1.04 optic with 0.5" format sensor gives a field of 14.72 x 11.78°
    Camera Narrow-field: 80 x 400 mm f/5 optic with 0.5" format sensor gives a field of 57.2 x 45.8 arcminutes (2.68 arcseconds/pixel)
    High Precision Pointing ±1 arcminute
    High Precision Guiding ±1 arcsecond (with good seeing; 1 to 4 second correction update rate depending on star magnitude. Faintest guide star 11th magnitude
    Power Supply 12 VDC, 5A using supplied Meade Universal Power Supply
    Weight Starlock: 2.9 lb (1.3 kg)
    Mount Body: 60.00 lb (27.21 kg)
    Tripod: 36.00 lb (16.32 kg)
    Packaging Info
    Package Weight 290.0 lb
    Box Dimensions (LxWxH) 48.0 x 37.0 x 33.0"

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