| OPTICAL TUBE INFO: | |
|---|---|
| Optical Design: | Refractor |
| Aperture: | 80mm (3.1″) |
| Focal Length: | 400mm (15.74″) |
| Focal Ratio: | f/5 |
| Focal Length of Eyepiece 1: | 20mm (0.78″) |
| Magnification of Eyepiece 1: | 20x |
| Focal Length of Eyepiece 2: | 10mm (0.4″) |
| Magnification of Eyepiece 2: | 40x |
| Barlow Lens: | Not Included |
| Finderscope: | StarPointer™ red dot finderscope |
| Star Diagonal: | Erect Image, 90° (1.25″) |
| Optical Tube: | Aluminum |
| Highest Useful Magnification: | 189x |
| Lowest Useful Magnification: | 11x |
| Limiting Stellar Magnitude: | 12 |
| Resolution (Rayleigh): | 1.74 arc seconds |
| Resolution (Dawes): | 1.45 arc seconds |
| Light Gathering Power (Compared to human eye): | 131x |
| Secondary Mirror Obstruction: | 25mm (1″) |
| Secondary Mirror Obstruction by Area: | 4.96% |
| Secondary Mirror Obstruction by Diameter: | 22% |
| Optical Coatings: | Fully Coated |
| Optical Tube Length: | 184mm (7.24″) |
| Optical Tube Diameter: | 90mm (3.54″) |
| Optical Tube Weight: | 2.65 lbs (1.2 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 legs |
| Accessory Tray: | Yes |
| Slew Speeds: | Manual |
| Tripod Weight: | 7.9 lbs (3.6 kg) includes weight of mount |
| Dovetail Compatibility: | CG-5 saddle plate |
| Software: | Celestron Starry Night Basic Edition Software and SkyPortal App |
| Total Telescope Kit Weight: | 10.55 lbs (4.78 kg) |
| Included Items: | Optical tube Mount and tripod (preassembled) 20mm and 10mm eyepiece StarPointer™ red dot finderscope Erect image diagonal Manual |
| Solar Warning |
|
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