National Geographic Refractor 70/900 Telescope

1. Achromatic Refractor Design: This telescope is a refractor type, utilizing a 70mm achromatic objective lens to gather light and create images. This design is highly valued for producing crisp, high-contrast views with minimal optical aberrations, making it ideal for detailed observations of lunar features and planets.

2. High Magnification for Detailed Views: With a 900mm focal length, the telescope provides opportunities for significant magnification. Coupled with the included eyepieces (20mm, 12mm) and a 3x Barlow lens, users can achieve a wide range of magnifications, allowing for detailed observation of celestial objects like Saturn's rings and Jupiter’s moons. It is primarily intended for astronomical observation.

3. User-Friendly Alt-Azimuth Mount: The telescope is mounted on an alt-azimuth mount, known for its intuitive up-down and left-right movements. This simple yet effective design makes it very easy for beginners and casual observers to navigate the night sky and track moving celestial bodies comfortably.

4. Robust and Stable Construction: Built with a durable optical tube and a sturdy adjustable aluminum tripod, the National Geographic Refractor 70/900 ensures stability during observations. This solid construction provides a reliable platform, reducing vibrations for clear and steady views, which is essential for enjoying long stargazing sessions.

ABOUT THE NATIONAL GEOGRAPHIC REFRACTOR 70/900 TELESCOPE

The National Geographic Refractor 70/900 Telescope stands out as an excellent entry-level instrument, specifically designed for budding astronomers and celestial observers. As a refractor telescope, it utilizes lenses to gather and focus light, providing crisp, high-contrast images ideal for viewing the Moon's craters, Jupiter's moons, and Saturn's rings. With its 70mm aperture and 900mm focal length, this model offers a versatile magnification range suitable for both bright planetary observations and some brighter deep-sky objects. Constructed with a durable optical tube and precision-ground glass optics, it ensures reliable performance night after night. Its achromatic design minimizes color fringing, delivering clearer views compared to basic refractive systems. This telescope is perfect for educational use, backyard astronomy, and anyone looking to embark on their journey through the cosmos with a reliable, easy-to-manage instrument.

ABOUT NATIONAL GEOGRAPHIC

National Geographic, a renowned global non-profit organization established in 1888, is celebrated for its dedication to exploration, scientific research, and education. While not a traditional optical manufacturer, National Geographic partners with reputable brands to produce optical instruments that uphold its legacy of discovery and quality. Their product philosophy centers on making scientific exploration accessible, providing reliable and educational tools for enthusiasts of all ages. These telescopes embody the spirit of inquiry and discovery, reflecting National Geographic’s commitment to inspiring future generations of explorers and scientists.

MAIN FEATURES

• Optical Design: Achromatic refractor telescope, providing crisp, high-contrast images ideal for planetary observation and lunar viewing.

• Aperture: 70 mm (2.76 inches) objective lens, gathering sufficient light for detailed celestial observations.

• Focal Length: 900 mm, enabling high magnifications suitable for observing fine planetary details.

• Focal Ratio: f/12.9, an excellent ratio for minimizing chromatic aberration in an achromatic design.

• Mount Type: Alt-azimuth mount, ensuring intuitive and easy movement for tracking celestial objects.

• Eyepieces: Includes 20 mm (45x magnification) and 12 mm (75x magnification) eyepieces for varied viewing experiences.

• Barlow Lens: 3x Barlow lens included, tripling the magnification of any eyepiece.

• Finderscope: 5x24 optical finderscope for easy target acquisition.

• Zenith Mirror: 90-degree diagonal for comfortable viewing angles.

• Tripod: Sturdy aluminum tripod, adjustable for various observing heights.

• Compatibility: Standard 1.25-inch focuser tube compatible with a wide range of astronomical accessories.

WARRANTY

This product is covered by a 5-year global warranty that includes defects in materials and manufacturing under normal use.

IN THE BOX

• National Geographic Refractor 70/900 Telescope Optical Tube

• Alt-azimuth mount with tripod

• 20 mm eyepiece (1.25")

• 12 mm eyepiece (1.25")

• 3x Barlow lens (1.25")

• 5x24 finderscope

• 90-degree zenith mirror

• Accessory tray

• Astronomy software

• Instruction manual