CELESTRON Astromaster LT 76 AZ Telescope
CELESTRON Astromaster LT 76 AZ Telescope
CELESTRON Astromaster LT 76 AZ Telescope
CELESTRON Astromaster LT 76 AZ Telescope
CELESTRON Astromaster LT 76 AZ Telescope
| OPTICAL TUBE INFO: | |
|---|---|
| Optical Design: | Newtonian Reflector |
| Aperture: | 76mm (2.99") |
| Focal Length: | 700mm (28") |
| Focal Ratio: | f/9.21 |
| Focal Length of Eyepiece 1: | 20mm (.8") |
| Magnification of Eyepiece 1: | 35x |
| Focal Length of Eyepiece 2: | 10mm (.4") |
| Magnification of Eyepiece 2: | 70x |
| Barlow Lens: | Not Included |
| Finderscope: | Built-on StarPointer™ red dot finderscope |
| Star Diagonal: | None |
| Optical Tube: | Aluminum |
| Highest Useful Magnification: | 180x |
| Lowest Useful Magnification: | 11x |
| Limiting Stellar Magnitude: | 11.9 |
| Resolution (Rayleigh): | 1.83 arc seconds |
| Resolution (Dawes): | 1.53 arc seconds |
| Light Gathering Power (Compared to human eye): | 118x |
| Secondary Mirror Obstruction: | 35mm (1.37") |
| Secondary Mirror Obstruction by Diameter: | 46% |
| Secondary Mirror Obstruction by Area: | 21% |
| Optical Coatings: | Glass mirrors coated with aluminum and SiO₂ |
| Optical Tube Length: | 602mm (23.7") |
| Optical Tube Diameter: | 119.5mm (4.7") |
| Optical Tube Weight: | 3.9 lbs (1.77 kg) |
| Dovetail: | CG-5 Dovetail bar |
| MOUNT INFO: | |
| Mount Type: | Manual Alt Azimuth |
| Height adjustment range (includes mount and tripod): | 812.8mm - 1295.4mm (32" - 51") |
| Tripod Leg Diameter: | 31.75mm (1.25") steel |
| Accessory Tray: | Yes |
| Tripod Weight: | 4.7 lbs (2.14 kg) includes weight of mount |
| Slew Speeds: | Manual |
| Dovetail Compatibility: | CG-5 saddle plate |
| Software: | Celestron Starry Night Basic Edition Software and SkyPortal App |
| Total Kit Weight: | 8.6 lbs (3.9 kg) |
| Included Items: | Optical tube Tripod and mount (preassembled) 20mm and 10mm eyepiece Red-dot finderscope Erect image 90° diagonal Manual |
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