Questar 7 Duplex Model Fully Mounted with Fork Arm Mount with 40-80x Zoom Eyepiece and Original Cases (Pre-owned)

Although we have the capability to ship this item, we would caution any prospective buyer against it.

Cost would be high and the possibility of damage far exceeds the risk. Please contact us to discuss the cost of shipping

The scope is in pristine condition and fully operational. 

 The Serial number is 7-277-DP

The Questar 7-inch telescope is highly regarded among amateur astronomers for its quality and craftsmanship.

Here are some key points about its quality:

1. Optics: The Questar 7 features excellent optics, with a premium primary mirror and a well-designed corrector plate. This results in sharp, high-contrast images, making it suitable for both planetary observation and deep-sky viewing.

2. Build Quality: The telescope is known for its solid construction. It's compact and portable, with a robust aluminum body and a unique design that minimizes vibrations. The craftsmanship reflects decades of engineering expertise.

3. Ease of Use: The telescope is designed to be user-friendly. Its fork mount allows for smooth tracking of celestial objects, and it often comes with built-in accessories that enhance the overall experience.

4. Versatility: The Questar 7 can be used for various types of observation, including lunar, planetary, and some deep-sky objects. Its focal length and aperture provide versatility for different kinds of astronomy.

5. Cost: While it's a premium product and often comes with a higher price tag, many users feel that the quality justifies the investment, especially for serious amateur astronomers.

Overall, the Questar 7-inch telescope is celebrated for its optical excellence, build quality, and user-friendly design, making it a sought-after choice for enthusiasts looking for a top-tier observing experience.

Optical Design

• Aperture: With a 7-inch (178 mm) aperture, the telescope gathers a significant amount of light, allowing for clear views of fainter objects in the night sky.
• Focal Ratio: The telescope has a focal ratio of f/15, which provides excellent planetary detail and minimizes aberrations. This makes it particularly well-suited for observing planets and the moon.
• Optical Coatings: High-quality coatings enhance light transmission and reduce reflections, contributing to the sharpness and contrast of images.

Mechanical Features

• Mount: The Questar 7 typically features a sturdy fork mount that provides smooth tracking. Some models include a built-in drive system for automatic tracking, which is helpful for astrophotography.
• Portability: Weighing around 20 pounds (9 kg), the Questar 7 is relatively portable for a telescope of its size. Its compact design makes it easy to transport to observing sites.
• Design: The telescope's design includes a unique, sleek, and classic aesthetic, often made from high-quality materials that add to its durability.

Accessories

• Finder Scope: It usually comes with a built-in finder scope, which aids in locating objects in the sky.
• Eyepieces: The Questar 7 is compatible with various eyepieces, allowing users to customize their viewing experience based on what they are observing.
• Power Supply: Many models include a built-in rechargeable battery, providing power for the drive system without needing an external power source.

Usability

• Ease of Setup: The telescope is designed for quick assembly and disassembly, making it accessible for spontaneous observing sessions.
• Focus Mechanism: The telescope features a smooth focusing mechanism that allows for fine adjustments, crucial for high-resolution planetary and lunar observations.

Performance

• Planetary Observing: Users often praise the Questar 7 for its outstanding performance in observing planets like Jupiter and Saturn, showing clear detail in bands and moons.
• Deep Sky Observing: While it excels in planetary observations, the telescope can also provide decent views of brighter deep-sky objects, such as star clusters and some nebulae.

Community and Reputation

• User Base: The Questar brand has a loyal following among serious amateur astronomers, and many users report decades of satisfaction with their telescopes.
• Legacy: Questar telescopes have a long-standing reputation for quality, and the 7-inch model is often seen as a benchmark in compact, high-performance telescopes.

Overall, the Questar 7-inch telescope is a premium instrument that combines excellent optical performance with high build quality and user-friendly features, making it a favorite among serious astronomy enthusiasts.