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Meade LX90-ACF 8" F/10 (No Tripod)

Meade SKU: 0810-90-03N | Helix SKU: ME08109003N


The patented Meade Advanced Coma-Free (ACF) optical design offers the coma-free pinpoint star images and flatter image fields greatly desired by discerning amateur astronomers, astrophotographers and professional observatories alike. This system also reduces the astigmatism and eliminates the diffraction spikes found in classical Ritchey-Chrétien designs. No competing Schmidt-Cassegrain Telescope can make those claims.

The 8" LX90 has an 8” diameter f/10 ACF optical system (focal length 2000mm) and Ultra-High Transmission Coatings (UHTC) for maximum image brightness and contrast. Electronics include the advanced Meade AudioStar™ computer system with over 30,000 object library, multiple guided tours, High Precision Pointing capability, and Meade SmartDrive with Permanent Periodic Error Correction.

Precise and quick star alignment is done near effortlessly with an incorporated 16 channel genuine Sony GPS receiver. The AudioStar™ is flash-updatable via free downloads at (optional cable required).

All LX90 models feature the solid and stable LX90 aluminum double fork mount, with fast slew speed adjustable from 1 to 7 degrees per second. Fine slewing and photographic guiding speeds can be adjusted from .01x to 1x sidereal in one one-hundredth increments. The mount and all electronics are internally powered by 8 (user supplied) C-cell batteries which will typically operate the telescope for a generous 60 hours (optional Meade Universal AC adapter also available). The mount also has mechanical locks in both axis allowing adjustment even without power.

The LX90 comes fully equipped with a 1.25" diagonal mirror, Series 4000 26mm 5-Element Plössl eyepiece, and Meade AutoStar® Suite Astronomer Edition Software for PC and an 8x50 optical viewfinder with quick release bracket. Scope weight is 33 pounds with 19 pound tripod. Ships in 2 boxes.

Product carries full one year Meade factory limited warranty.


LX90 Telescopes

1 Year

Experience Level

Clear Aperture

Optical Design
Advanced Coma-Free (ACF)

Optical Coatings

Focal Length

Focal Ratio

Resolving Power (Dawes' Limit)
0.570 arc-seconds

Oversized Primary Mirror

8x50mm with cross-hair reticle

26mm Series 4000™ Super Plössl

Focuser Mechanism
Single Speed Focuser

1.25" diagonal mirror

Hand Controller

Object Database
30,000 objects

Pointing Precision (High-Precision Mode)
1.5 arc-minute (+/-)

Periodic Error Correction
Polar mode only (RA)

Slow Motion Controls

Slew Speeds
RA and Dec: 1x, 2x, 8x, 16x, 64x, 128x sidereal and 1.5°/sec, 3°/sec, 6.5°/sec

Tracking Rates
Sidereal, Lunar, or custom-selected from 2000 incremental rates

Control Panel
12v Power port, On/Off Switch, Handbox port, 2x Aux ports

Power Source
(Optional) 12v DC, 5 amp Power Supply

Batteries (User-Supplied)
8 x C cells

GPS Receiver

Electronic Focuser

Smart Drive™

Astronomer Inside™

Anti-vibration Pads


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Filed under: High-End Telescope Auctions (USA)