Celestron 70/400 Telescope

Celestron 70/400 Telescope

Optical Tube Info

• Optical Design: Refractor
• Aperture: 70mm (2.8″)
• Focal Length: 400mm (15.74″)
• Focal Ratio: f/5.7
• 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: 5×24
• Star Diagonal: Erect Image, 45° 1.25″
• Optical Tube: Aluminum
• Highest Useful Magnification: 168x
• Lowest Useful Magnification: 10x
• Limiting Stellar Magnitude: 11.7
• Resolution (Rayleigh): 1.98 arc seconds
• Resolution (Dawes): 1.66 arc seconds
• Light Gathering Power (Compared to human eye): 100x
• Optical Coatings: Fully Coated glass optics
• Optical Tube Length: 431.8mm (17″)
• Optical Tube Diameter: 98.4mm (3.87″)
• Dovetail: N/A

Mount Info

• Mount Type: Manual Alt Azimuth
• Height adjustment range (includes mount and tripod): 558.8mm – 1320.8mm (22″-52″)
• Tripod Leg Diameter: 31.75mm (1.25″) Aluminum
• Accessory Tray: Yes
• Slew Speeds: Manual
• Tripod Weight: 1.8 lbs (.81 kg)
• Dovetail Compatibility: N/A
• Software: Celestron Starry Night Basic Edition Software and SkyPortal App