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Used approximately 3 times because of extreme light pollution. Paid $3,472 in 1998 and has been in my office every since.

Meade 10" LX50

 

Specifications of 10" Model
LX50:
Includes 10"
Schmidt-Cassegrain optical tube assembly with EMC super multi-coatings
(D=254mm, F=2500mm, f/10); heavy-duty LX200-type fork mount with 4"-dia.
sealed polar ball bearing; 5.75" LX worm gear and
quartz-microprocessor-controlled DC servo-motor in RA; tangent arm and DC
servo motor control system in Dec; multi-function control panel; manual and
electric slow-motion controls and setting circles in both axes; keypad hand
controller; 4-speed drive controls on both axes; battery compartment accepting
six (user-supplied) AA-size batteries; 25 ft. power cord for telescope
operation from 12v. auto cigarette lighter plug; 8 x 50mm viewfinder;
eyepiece-holder and diagonal prism (1.25"); MA25mm multi-coated
eyepiece; standard equatorial wedge with elevation scale, fine elevation
control, bubble level, and azimuth control; operating instructions. 

Eyepieces

Meade Super Plossi 56mm

Tele Vue 16mm Nagler

Tele Vue 12mm Nagler

2x Telnegative Amplifier

Meade Variable Projection
Tele-Extender

 

 

#2024
Magellen II Computer

For added stability in sensitive
applications, the 10" LX50 has a  Superwedge

Meade 10" LX50
Schmidt-Cassegrain Telescope, with standard equatorial wedge and optional
variable-height standard field tripod.

 

Specifications and
Features: Meade 10" LX50 Telescopes

 

Optical Design

Schmidt-Cassegrain

Clear Aperture

203mm (8"); 254mm (10")

Primary Mirror Diameter

209.6mm (8.25"); 263.5mm
(10.38")

Focal Length

2000mm (8"); 2500mm
(10")

Focal Ratio (Photographic Speed)

f/10

Near Focus (approx.)

25 ft. (8"); 50 ft.
(10")

Resolving Power (arc secs.)

0.56 (8"); 0.45 (10")

Super Multi-Coatings (EMC)

Standard

Limiting Visual Magnitude
(approx.)

14.0 (8"); 14.5 (10")

Limiting Photographic Magnitude
(approx.)

16.5 (8"); 17.0 (10")

Image Scale (degs./inch)

0.72 (8"); 0.57 (10")

Maximum Practical Visual Power

500X (8"); 625X (10")

35mm Angular Film Coverage

0.68° x 0.97° (8")

 

0.54° x 078° (10")

Optical Tube Dimensions (dia. x
length)

9.1" x 16" (8");
11.75" x 22" (10")

Secondary Mirror Obstruction
(dia.; %)

3.0"-14.1% (8")

 

3.7"-13.7% (10")

Telescope Mounting

Heavy-duty fork-type; double tine

Setting Circle Diameters

Dec: 6"; RA: 8.75"

RA Motor Drive System

4-speed, microprocessor -
controlled 9v. DC servo motor, 5.75" LX worm gear

Hemispheres of Operation

North and South, switchable

Declination Control System

4-speed, microprocessor -
controlled 9v. DC servo motor, tangent arm

Slow-Motion Controls

Manual and electric, RA and Dec

Bearings

Dec: Nylon; RA: 1 - 4" dia.
and 1 - 2.25" dia. ball bearing

Hand Controller

PIC16C54 microcontroller, 5 -
button keypad; red LED speed-rate indicator

Main Controller

PIC16C57 microcontroller

Onboard Celestial Object Database

N/A

Slew Speeds

RA and Dec: 2x, 8x, 16x, 32x
sidereal

Materials: Tube body

Aluminum

  Mount castings

Aluminum

  Primary & Secondary
Mirrors [Note 1]

Pyrex® glass

  Correcting Plate/Lens

Clear float glass

Telescope Dimensions, swung down

9.25" x 16" x 25"
(8")

 

12" x 19" x 31"
(10")

Shipping Carton Dimensions

31" x 22" x 14"
(8")

 

38" x 26" x 18"
(10")

Total Net Telescope Weight

71 lbs. (8"); 89 lbs.
(10")

Heaviest Sub-Section for Field
Assembly

38 lbs. (8"); 55 lbs.
(10")

Total Shipping Weight (approx.)

91 lbs. (8"); 122 lbs.
(10")

#1220 Field De-rotater

N/A

Equatorial Wedge Latitude Range

23° to 64° (8")

 

15° to 64° (10")

Field Tripod Height (optional)[Note
2]

30" to 44" variable

 


Filed under: Eyepieces & Accessories