Celestron Firstscope 76 Dobsonian

SKU: 21024 Categories: , ,

Portable and lightweight table-top design

Easy to store and transport

Ideal for camping or balcony star gazing


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Optical Design Newtonian Reflector
Aperture 76mm (2.99″)
Focal Length 300mm (12″)
Focal Ratio 3.95
Focal Length of Eyepiece 1 20mm (0.79″)
Magnification of Eyepiece 1 15x
Focal Length of Eyepiece 2 4mm (0.16″)
Magnification of Eyepiece 2 75x
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
Software Starry Night Basic Edition