beautypg.com

Meade Instruments ETX-80AT-TC User Manual

Page 35

background image

35

Meade Customer Service

If you have a question concerning your ETX-80AT, contact the Meade Instruments Customer
Service Department at:

Telephone: (800) 626-3233

Customer Service hours are 8:00 AM to 5:00 PM, Pacific Time, Monday through Friday. In the
unlikely event that the ETX requires factory servicing or repairs, write or call the Meade Customer
Service Department first, before returning the telescope to the factory, giving full particulars as to
the nature of the problem, as well as your name, address, and daytime telephone number. The
great majority of servicing issues can be resolved by telephone, avoiding return of the telescope
to the factory.

ETX-80AT Specifications

Optical design ................................................................Achromatic Refractor

Clear aperture ..........................................................80mm (2.76”)

Focal length ....................................................................400mm
Focal ratio (photographic speed)....................................f/4.4
Near focus (approx.) ......................................................17 ft. (5.2m)
Resolving power ............................................................1.6 arc secs
Multi-coatings on objective lens ....................................Standard
Limiting visual stellar magnitude (approx.) ....................11.5
Image scale ....................................................................4.1°/inch
Maximum practical visual power ....................................240X
Optical tube dimensions (dia. x length) ........................9.3cm x 30.4-37.1cm (3.6” x 12-14.6”)
Eyepieces
2x Flip Barlow ................................................................Built in
Telescope mounting........................................................Fork type; double tine

Setting circle diameters ..........................................Dec: 3.5”; RA: 7”
Input voltage ..........................................................9-volts DC
Motor Drive System ................................................DC servo motors with encoders, both axes

Slow-Motion Controls ....................................................Electric, 9 speed, both axes
Hemispheres of operation ..............................................North and South, switchable
Bearings:

Altitude ....................................................................Acetal
Azimuth ..................................................................Nylon

Materials

Tube body ..............................................................ABS

Mounting ................................................................High-impact ABS
Objective lens (crown, flint) ....................................BK7, F2

Telescope dimensions ....................................................40.4cm x 18cm x 22cm (15.9” x 7” x 9”)
Prism ..............................................................................45° roof
Battery Life (approx.) with AutoStar ..............................20 hrs.
Compass/Bubble Level included

AutoStar Specifications

Processor

................................................................................

68HC11, 8MHz

Flash Memory ................................................................512KB, reloadable
Keypad ............................................................................10 key alphanumeric
Display ............................................................................2 line, 16 character LCD
Backlight ........................................................................Red LED
Coil Cord ........................................................................24"

AutoStar Dimensions

Length ............................................................................14.2cm (5.60")
Width (LCD end) ............................................................78.0cm (3.08")
Width (Connector end) ..................................................53.5cm (2.10")
Depth ..............................................................................23.5cm (0.93")
AutoStar net weight ........................................................0.169kg (0.35 lbs.)