National Park Foundation FirstScope Telescope
Item #: 22025- Special edition National Park Foundation wrap on optical tube
- Lightweight and portable, a great grab-and-go telescope
- Simple design makes it easy for beginners to use
- No-tool setup means you are observing in no time
- Includes two eyepieces, free SkyPortal mobile app and National Parks Guidebook download
Overview
- Special edition National Park Foundation wrap on optical tube
- Lightweight and portable, a great grab-and-go telescope
- Simple design makes it easy for beginners to use
- No-tool setup means you are observing in no time
- Includes two eyepieces, free SkyPortal mobile app and National Parks Guidebook download
Description
Discover the hobby of astronomy with the National Park Foundation FirstScope. It doesn’t get much simpler or more portable than the FirstScope’s tabletop Dobsonian design. Just remove it from the box, insert an eyepiece, and you’re ready to view the Moon, planets, nebulae, and more!
The National Park Foundation FirstScope’s Newtonian reflector optical system features a spherical glass mirror with a generous 76 mm of aperture. You’ll get bright, sharp views of celestial objects and observe the Moon’s mountains and craters in crisp detail. Thanks to the National Park Foundation FirstScope’s wide field of view, you'll be able to observe expansive views of the sky, which include open star clusters, or favorite deep-sky objects like the Orion Nebula.
This special edition of our bestselling FirstScope weighs just 4.3 lbs, making it the perfect companion for camping trips and all your outdoor adventures.
In support of the National Park Foundation in its mission to preserve America’s National Parks, the telescope tube is adorned with a custom National Park Foundation wrap. When not in use, this unique telescope is stylish enough to be a decorative fixture on your bookshelf or desk. You’ll also receive a free download of the National Parks Guidebook, and the SkyPortal planetarium app for your iPhone, iPad, or Android device.
Your purchase of the National Park Foundation FirstScope supports the National Park Foundation in its mission to preserve America’s National Parks.
Includes a FREE digital dowload of the National Parks Owner’s Guide!
Specifications
Optical Tube Info: | |
---|---|
Optical Design: | Newtonian Reflector |
Aperture: | 76mm (3") |
Focal Length: | 300mm (11.81") |
Focal Ratio: | f/4 |
Focal Length of Eyepiece 1: | 20mm (0.79") |
Magnification of Eyepiece 1: | 15x |
Focal Length of Eyepiece 2: | 10mm (0.16") |
Magnification of Eyepiece 2: | 30x |
Barlow Lens: | Not Included |
Finderscope: | Not Included |
Star Diagonal: | Not Included |
Optical Tube: | Plastic |
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: | 28mm (1.1") |
Secondary Mirror Obstruction by Diameter: | 37% |
Secondary Mirror Obstruction by Area: | 14% |
Optical Coatings: | Aluminum with SiO2 |
Optical Tube Length: | 266mm (10.5") |
Optical Tube Diameter: | 95.25mm (3.75") |
Optical Tube Weight: | 1.4 lbs (0.64 kg) |
Dovetail: | N/A |
Mount Info: | |
Mount Type: | Manual Tabletop Dobsonian |
Height adjustment range (includes mount and tripod): | N/A |
Tripod Leg Diameter: | N/A |
Slew Speeds: | Manual |
Tripod Weight: | N/A |
Dovetail Compatibility: | N/A |
Software: | Celestron Starry Night Basic Edition Software, and SkyPortal App |
Total Kit Weight: | 4.3 lbs (1.95 kg) |
Included Items: |
Optical tube Dobsonian Mount 10mm and 20mm Eyepieces Free National Parks Guidebook Download |
Videos
Accessories
Support & Downloads