Bushnell 789946 Instruction Manual

Pages 76

Year 2010

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Bushnell 789946 Telescope Specification

The Bushnell 789946 Telescope is a versatile optical instrument designed for both amateur astronomers and educational settings. It features a 700mm focal length and a 90mm aperture, providing clear and detailed views of celestial objects. The telescope employs a refractor optical design, which minimizes chromatic aberration and ensures high-contrast images. Its fully-coated lenses enhance light transmission, delivering bright and sharp visuals of planets, stars, and other astronomical phenomena. The Bushnell 789946 is equipped with a sturdy altazimuth mount, allowing smooth and precise manual tracking of objects across the night sky. This mount is complemented by an adjustable aluminum tripod, which provides stability and ease of use on various terrains. The telescope includes a range of eyepieces, offering different magnification levels to suit diverse viewing preferences. A 3x Barlow lens is also included, tripling the magnifying power of each eyepiece for more detailed observations. The Bushnell 789946 is designed with user-friendly assembly in mind, requiring minimal setup time and no specialized tools. Its lightweight and portable build make it suitable for travel and outdoor excursions. Additionally, the telescope comes with a smartphone adapter, enabling users to capture and share images of their observations. This feature enhances the educational potential of the telescope, making it an excellent choice for budding astronomers. Overall, the Bushnell 789946 Telescope combines solid optical performance with practical features, making it an ideal instrument for exploring the wonders of the night sky.

Bushnell 789946 Telescope F.A.Q.

How do I properly align the Bushnell 789946 Telescope?

To align your Bushnell 789946 Telescope, start by setting it up on a stable surface. Identify a bright star or celestial object and use the finder scope to center it in the eyepiece. Adjust the telescope's alignment knobs until the object is centered in the main telescope's view. Repeat this process with other objects to ensure accuracy.

What is the best way to clean the lenses on my Bushnell 789946 Telescope?

Use a soft, lint-free cloth and a few drops of lens cleaning solution specifically designed for optical lenses. Gently wipe the lenses in a circular motion. Avoid using excessive pressure or household cleaners, as these can damage the coatings on the lenses.

Can I use my Bushnell 789946 Telescope during the day?

Yes, the Bushnell 789946 Telescope can be used during the day to observe terrestrial objects. Make sure not to point it at the sun without a proper solar filter, as this can cause serious damage to your eyes and the telescope.

How do I troubleshoot blurry images in my Bushnell 789946 Telescope?

If images are blurry, first check the focus by adjusting the focus knob. Ensure the lenses are clean and the telescope is properly aligned. If using high magnification, try switching to a lower magnification lens, as atmospheric conditions can affect image clarity at high magnifications.

What maintenance is required for the Bushnell 789946 Telescope?

Regular maintenance includes cleaning the lenses, checking for loose screws, and ensuring the mount and tripod are stable. Store the telescope in a dry place and cover it to protect from dust. Periodically check alignment and calibration to maintain optimal performance.

How can I improve the viewing experience with my Bushnell 789946 Telescope?

To enhance your viewing experience, observe from a location with minimal light pollution. Allow your eyes to adjust to the darkness and use a red flashlight to preserve night vision. Experiment with different eyepieces and filters to improve image quality and contrast.

What should I do if the mount of my Bushnell 789946 Telescope is unstable?

Ensure the tripod legs are fully extended and locked in place. Check that all screws and bolts are tightened. If the ground is uneven, adjust the tripod legs accordingly. Adding weight to the tripod can also improve stability.

How do I store my Bushnell 789946 Telescope when not in use?

Store the telescope in a dry, cool environment. Use a dust cover or case to protect it from dust and moisture. Keep it away from direct sunlight and extreme temperatures, which can damage the optical components and mechanical parts.

What accessories are compatible with the Bushnell 789946 Telescope?

The Bushnell 789946 Telescope is compatible with standard 1.25-inch eyepieces and filters. Additional accessories such as a Barlow lens, moon filter, and smartphone adapter can enhance your viewing experience and allow for astrophotography.

How do I adjust the finder scope on my Bushnell 789946 Telescope?

To adjust the finder scope, first align the main telescope with a distant object. Then, adjust the finder scope's screws until the object is centered in both the finder scope and the main telescope's view. This ensures accurate targeting of celestial objects.