Celestron 21024 180x Durable FirstScope Tabletop Newtonian Reflector Telescope
- High quality Dobsonian style stand with a 76 mm reflector optical tube make FirstScope an ideal entry level astronomical telescope.
- Portable and lighweight table-top design makes it easy to store, transport and setup your FirstScope Telescope
- FirstScope is very easy to observe with, the user simply navigates the night sky by moving the tube in the direction of their desired object.
- Stylish and decorative design makes FirstScope a wonderful keepsake for anyone interested in astronomy.
What's in The Box
- 76 mm aperture Dobsonian Reflector telescope - 22024
- Dobsonian mount
- 20mm eyepiece
- 4mm eyepiece
- 1.25-Inch focuser
- Owner's Manual
- 2-Year Limited Factory Warranty
- 30 Day Satisfaction Guaranteed
|Optical Design||Newtonian Reflector|
|Aperture (mm)||76 mm (2.99 in)|
|Focal Length||300 mm (12 in)|
|Focal Length of Eyepiece 1 (mm)||20 mm (0.79 in)|
|Magnification of Eyepiece 1||15 x|
|Focal Length of Eyepiece 2 (mm)||4 mm (0.16 in)|
|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|
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