| Optical Design: |
Schmidt-Cassegrain |
| Aperture: |
279.4mm (11") |
| Focal Length: |
2800mm (110") |
| Focal Ratio: |
f/10 |
| Focal Length of Eyepiece 1: |
40mm (1.57") |
| Magnification of Eyepiece 1: |
70x |
| Finderscope: |
9x50 Finderscope with quick release bracket |
| Star Diagonal: |
1.25" Star Diagonal |
| Optical Tube: |
Aluminum |
| Highest Useful Magnification: |
660x |
| Lowest Useful Magnification: |
40x |
| Limiting Stellar Magnitude: |
14.7 |
| Resolution (Rayleigh): |
0.5 arc seconds |
| Resolution (Dawes): |
0.42 arc seconds |
| Light Gathering Power (Compared to human eye): |
1593x |
| Secondary Mirror Obstruction: |
95mm (3.75") |
| Secondary Mirror Obstruction by Diameter: |
34% |
| Secondary Mirror Obstruction by Area: |
12% |
| Optical Coatings: |
Starbright XLT |
| Optical Tube Length: |
610mm (24") |
| Optical Tube Diameter: |
312.42mm (12.3") |
| Optical Tube Weight: |
65 lbs (29.5 kg) with mount |
| Dovetail: |
None |
| Mount Type: |
Computerized Altitude-Azimuth Dual Fork Arm |
| Height adjustment range (includes mount and tripod): |
1397mm - 1778mm (55" - 70") |
| Tripod leg diameter: |
50.8mm (2") Stainless Steel |
| Mount Head Weight: |
65 lbs (29.5 kg) with optical tube |
| Accessory Tray: |
Yes |
| Tripod Weight: |
19 lbs (8.6 kg) |
| Slew Speed: |
9 slew speeds - max speed 5°/second |
| Tracking Rates: |
Sidereal, Solar and Lunar |
| Tracking Modes: |
Altazimuth, EQ North and EQ South |
| GPS: |
Internal 16 channel |
| Dovetail Compatibility: |
none |
| Number of Auxiliary ports: |
2 Aux ports (Hand Control can use any of the Aux ports) |
| Autoguide port: |
Yes |
| USB Port: |
Yes, on hand control |
| Power Requirements: |
12 VDC-1.5A (Tip positive) |
| Motor Drive: |
DC servo motors |
| Alignment Procedures: |
Sky Align, Auto Two-Star Align, Two-Star Align, Solar System Align, EQ North Align & EQ South Align |
| Periodic Error Correction: |
Yes |
| Computerized Hand Control: |
2 line x 18 character backlit Liquid Crystal Display, 19 LED backlit buttons, USB 2.0 port for PC connection |
| NexStar+ Database: |
40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
| Software: |
Celestron's Starry Night Special Edition Software, SkyPortal App |
| Total Telescope Kit Weight: |
84 lbs (38.1 kg) |
| Included Items: |
Mount/OTA | Tripod | Accessory Tray | 40mm Eyepiece | 1.25" Star Diagonal | 50mm 9x50 Finderscope with Bracket | Instruction Manual |
| Solar Warning |
- Never look directly at the Sun with the naked eye or with an optic (unless you have the proper solar filter). Permanent and irreversible eye damage may result.
- Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
- Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.
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