TELESCOPE SPECIFICATIONS

 

Total instrument capacity

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

. 500 lbs.

 

Aperture

. . . . . . . . . . . . . . . . . . . 20".

 

 

 

Optical design

. Advanced Coma-Free

 

Optical coatings

. UHTC™

 

Mount

. Robotic Equatorial

 

Gear pitch diameter

. . . . . . . . . . . . . . . . . . . 13.625".

 

 

 

Periodic error

. 2 arc sec.

 

Latitude

. . . . . . . . . . . . . . . . . . . 0-90°.

 

 

 

No. of drive gear teeth

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

. 652 (RA & DEC)

 

 

 

 

 

 

 

MAX-ACF

 

 

 

 

 

Optical Design

Advanced Coma-Free

 

Clear Aperture

20"

 

 

 

 

UHTC™ Coatings Standard

Ultra-High Transmission Transmission Coatings (UHTC™

 

 

Resolving Power (Dawes Limit)

.228 arc seconds

 

Focal Length, Focal Ratio

4064mm, f/8

 

 

Telescope Mounting

MAX Robotic Equatorial Mount

 

Periodic Error Correction

 

 

 

 

 

Both axes

Ten (10) arc seconds (raw); Two (2) arc seconds with PECTOOL

 

Control Panel

2 multi-function, multi-port panels

 

Focus 4-speed front focusing

 

 

 

 

 

mechanism

included

 

 

GPS, North sensors included

16-channel GPS receiver (on Mount)

 

Pointing Precision

High Precision Mode 1-arc min.

 

Autostar® II Hand Controller

Included (147,541 object database)

 

 

Alignment

Equatorial

 

 

 

 

 

 

North electronic sensors

Included

 

Temperature Control

Thermal stabilization fan

 

Power

12VDC, 5amp power supply required

 

Slew Speeds:

RA and Dec: 0.01x to1.0x sidereal, variable in 0.01x increments; 2x, 8x, 16x, 64x, 128x

 

 

sidereal; 1°/sec. to 2°/sec., variable in 0.1° increments All models

 

Tracking Rates

Sidereal, lunar, solar or custom-selected from 2000 incremental rates All models

 

Primary, Secondary Mirrors

Pyrex® glass, fine-annealed

 

Correcting Plate/Lens

Borofloat

 

Adjustable Counterweights

Requires 3 - 35lb.

 

 

Counterweights (included)

 

Fixed Counterweights

Requires 2 - 43lb.

 

 

Counterweights (included)

 

Accessories

8 x 50mm viewfinder, 2.0" diagonal mirror with 1.25" adapter,

 

 

UltraWide 24mm eyepiece.

 

 

Net Weight

694 pounds

 

 

 

 

 

 

52

Looking at or near the Sun will cause irreversible damage to your eye. Do not point this telescope at or near the

 

Sun. Do not look through the telescope as it is moving.

Page 52
Image 52
Meade MAX-ACF instruction manual Telescope Specifications