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Meade

Meade LX90-ACF 8" (203mm) f/10 Advanced Coma-Free Optical Tube Assembly, (OTA) with UHTC Coatings

SKU: MDLX90ACFU8 MFR: 0810-90-03
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About the Meade LX90-ACF

The Meade 8" LX90-ACF Advanced Coma-Free (ACF) optical system takes all of the features of the Meade SC models and then ups the ante. With it's technologically superior optical design, ACF gives a flatter, coma-free field of view with pinpoint images all the way to the edge of the field, rivaling Ritchey-Cretien performance at a fraction of the cost. ACF is the perfect solution for the serious astroimager or visual astronomer looking for observatory-class optics.

Note: Recently, Meade Instruments implemented a cosmetic change to the optical tube portion the 8" LX90 AFC and SC that brings that product in line with the styling of the 10" and 12" version.

As a consequence to the new tube design and balance point, the tube must be stored in a nose-upward position, as there is insufficient clearance to be stored between the forks. Therefore, any aftermarket hard cases, such as the JMI case, will not accommodate the newer design.

Meade LX90-ACF Includes

  • Meade 8" (203mm) LX90-ACF OTA
  • 8 x 50mm Finder
  • Autostar Controller
  • Tripod -4000 26mm Super Plossl, Meade 1 Year Limited Warranty

Meade LX90-ACF Features

  • GPS - LX90 can do more than track satellites. It talks to them as well. Turn it on and the built-in Sony GPS sensor immediately determines your precise date, time and location. AutoAlign then uses this info to align your scope for a tour of the most spectacular sights in the universe.
  • Easy align - LX90s are smart scopes that know the night sky right out of the box. Easy Align picks two alignment stars for you and places them right in your viewfinder. Just center them to fine tune your alignment and the wonders of the universe are at your fingertips.
  • Oversized primary mirror - Meade manufactures their primary mirrors in diameters larger than their listed aperture (e.g. the dia. of 8" LX90's primary mirror is actually 8.25"). This additional 1/4" yields a wider, fully illuminated FOV & allows you to see the light other telescopes leave behind.
  • 8 x 50 viewfinder - Quickly and easily locate and center deep sky objects.
  • Slew speed - The LX90 slews (moves) from star to star at 7 degrees per second. That is more than twice as fast as the competition. This means that over the course of an evening, a Meade LX90 will show you two to three times more objects.
  • Rigid cast aluminum fork mount - The Meade LX90's Optical Tube Assembly is mounted on two sturdy fork arms giving you a rock solid platform for astrophotography.
  • LX200 - series tripod - The LX90 comes standard with the same sturdy field tripod as the LX200-ACF series telescope.
  • Smart drive - Meade's AutoStar provides Periodic Error Correction (in polar mode). Over the course of one or more training periods your LX90 will minimize guiding corrections during long exposure astrophotography.
  • Autostar controller - Meade's AutoStar can be updated after purchase.

Meade LX90-ACF Specifications

Optical Design Advanced Coma-Free
Clear Aperture 203mm (8")
Focal Length Focal Ratio 2034mm f/10(8")
Optical Coating MgF2 on correcting plate (2-sides); standard aluminum on primary and secondary mirrors
Ultra-High Transmission Coatings (UHTC) Included
GPS Sony GPS
Viewfinder 8x50
Telescope Mounting Fork-type; double tine
Setting Circle Diameters, RA and Dec. RA: 8"; Dec: 5"
GO TO Pointing Precision (approx.) 5-arc mins.
Pointing Precision, High Precision Mode 3-arc mins.
Slow-Motion Controls Electric, RA and Dec
#497 AutoStar Hand Controller PIC 16C57 microcontroller; 2 line x 16 alphanumeric character display; 20-button keypad, red LED backlit
Batteries (user-supplied) 8 x C-cells
Battery Life (approx.) 60 hrs.
Onboard Celestial Object Database 30,223 objects
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
Tube Body Aluminum
Mount Castings Aluminum
Primary, Secondary Mirrors Pyrex glass
Correcting Plate/Lens Clear water white glass
Field Tripod Height all models 30" to 44" variable
Processor (Autostar) 68HC11, 8MHz
Flash Memory (Autostar) 1MB, reloadable
Keypad (Autostar) 20 key alphanumeric
Display (Autostar) 2 line, 16 character LCD
Backlight (Autostar) Red LED
Utility Light (Autostar) Yes
RS-232 (Autostar) Yes
Coil Cord (Autostar) 24"
Database (Autostar) 30,223 objects
Length (Autostar) 6.56" (16.6cm)
Width (LCD end) (Autostar) 3.19" (80cm)
Width (Connector end) (Autostar) 2.25" (57cm)
Depth (Autostar) 0.81" (21cm)
Optical Tube Dimensions (dia. x length) 9.1" x 16.75"
Telescope Weight 33 lbs.
Tripod Weight 19 lbs.
Autostar net weight 1.12 lbs (0.51kg)
Warranty Meade 1 year limited warranty
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