Meade ETX90 Optical Tube with RDF Finderscope, 26mm & 15mm Plossl Eyepieces in Original Meade Hard Case (Pre-owned)

NOTE: The flip mirror switch is broken internally, and will not change the mirror position. While the telescope still functions as normal, the rear part of the optical tube will not be functional.

Key Features:

1. Optical Design: Maksutov-Cassegrain, renowned for providing sharp, high-contrast images with minimal aberration.
2. Aperture: 90mm (3.5 inches), allowing for detailed views of celestial objects such as the Moon, planets, and some deep-sky objects.
3. Focal Length: 1250mm, offering a focal ratio of f/13.9, which is ideal for high-magnification views.
4. Tube Construction: Lightweight aluminum construction with a durable, compact design for ease of transport and storage.
5. Coatings: Fully multi-coated optics enhance light transmission and image clarity, ensuring bright and detailed observations.
6. Back Focus: Designed with a standard visual back to accommodate a wide range of accessories, including eyepieces, cameras, and diagonals.

Compatibility and Usage:

• The ETX90 optical tube can be mounted on a variety of tripods and mounts, either equatorial or alt-azimuth, depending on your needs.
• It's an excellent choice for both beginner and advanced astronomers due to its user-friendly design and exceptional optics.

Applications:

• Lunar and Planetary Observations: Crisp, detailed views of craters on the Moon and planetary features like Jupiter's moons and Saturn's rings.
• Terrestrial Viewing: When paired with an appropriate mount, the ETX90 can also double as a high-powered spotting scope.
• Astrophotography: With its compact design, it's suitable for capturing planetary images and bright deep-sky objects when used with a proper mount and camera.