Used - National Park Foundation FirstScope Telescope
$79.95
$59.97
Contiguous USA only
Please note: This is a gently used item. For complete product details, specs, and extras, please visit the original product page.
Gently Used, Fully Trusted
At Celestron, we believe the cosmos should be within everyone’s reach. That’s why our gently used items have been rigorously inspected and are in full working order—even if they show a few signs of past adventures. When you purchase this product, you’ll also enjoy the same comprehensive warranty as our new items, giving you confidence and peace of mind as explore the night sky.
Clear skies and happy stargazing!
Overview
Please note: This is a gently used item. For complete product details, specs, and extras, please visit the original product page.
Gently Used, Fully Trusted
At Celestron, we believe the cosmos should be within everyone’s reach. That’s why our gently used items have been rigorously inspected and are in full working order—even if they show a few signs of past adventures. When you purchase this product, you’ll also enjoy the same comprehensive warranty as our new items, giving you confidence and peace of mind as explore the night sky.
Clear skies and happy stargazing!
Description
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 |
Solar Warning |
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California Residents | View Proposition 65 Warning![]() WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
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