Bushnell 789570 Instruction Manual

Pages 7

Year 0

Language(s)

of 7

Bushnell 789570 Telescope Specification

The Bushnell 789570 telescope is a versatile and user-friendly optical instrument designed for both amateur astronomers and hobbyists. It features a 60mm aperture, which allows for clear and detailed observation of celestial bodies, making it ideal for viewing the moon, planets, and some deep-sky objects under optimal conditions. The telescope is equipped with a 700mm focal length, providing a balanced combination of magnification and clarity, enhancing the overall viewing experience.

An alt-azimuth mount accompanies the telescope, offering intuitive up-down and left-right movement, which simplifies the tracking of celestial objects across the night sky. This mount is particularly beneficial for beginners, as it requires minimal setup and adjustment. The telescope is fitted with a standard 1.25-inch eyepiece holder, making it compatible with a wide range of available eyepieces for varying magnifications.

The Bushnell 789570 comes with a selection of eyepieces, typically including a 20mm and a 4mm eyepiece, allowing users to switch between lower and higher magnifications easily. The inclusion of a 3x Barlow lens further extends the magnification range, providing users with the flexibility to explore different levels of detail in their observations.

Constructed from lightweight yet durable materials, the telescope is portable and easy to transport, making it suitable for both backyard stargazing and excursions to darker skies. Additionally, the telescope includes a red dot finderscope, which simplifies the process of locating celestial objects by projecting a red dot onto the night sky, aiding users in aligning their telescope with the desired target.

Overall, the Bushnell 789570 telescope offers a balanced blend of performance, ease of use, and portability, making it an excellent choice for those new to astronomy or seeking an affordable, reliable telescope for casual observations.

Bushnell 789570 Telescope F.A.Q.

How do I set up my Bushnell 789570 Telescope for the first time?

To set up your Bushnell 789570 Telescope, begin by assembling the tripod and ensuring it's stable. Attach the telescope tube onto the mount, secure it with the necessary screws, and balance the tube on the mount. Insert the eyepiece and align the finderscope to match the telescope's view.

What should I do if the images through my telescope are blurry?

If images are blurry, ensure that the telescope is properly focused by adjusting the focus knob. Check that the eyepiece is correctly inserted. Atmospheric conditions can also affect clarity; try observing on a clear night away from light pollution.

How can I align the finderscope with the main telescope?

To align the finderscope, point the telescope at a distant object during the day, such as a tree or building. Center the object in the main telescope's eyepiece, then adjust the finderscope until the crosshairs are centered on the same object.

What maintenance does my Bushnell 789570 Telescope require?

Regularly check for loose screws and tighten them if necessary. Clean the lenses with a soft, lint-free cloth and lens cleaner. Store the telescope in a dry, dust-free environment to prevent moisture and dust buildup.

Why can't I see anything through my telescope at night?

Ensure that the lens cap is removed and that the telescope is properly focused. Start by locating the Moon or a bright planet, which are easier to find. Make sure you're using the correct eyepiece for the desired magnification.

How do I clean the lenses of my Bushnell 789570 Telescope?

Clean the lenses with a lens cleaning solution and a soft, lint-free cloth. Avoid wiping in circles, as this can create scratches. Do not use household cleaners or paper-based products.

Is it normal for my telescope to be wobbly?

No, the telescope should be stable. Check that the tripod legs are fully extended and locked. Ensure the telescope is securely attached to the mount. If wobbling persists, consider adding weight to the tripod base for added stability.

How do I locate specific stars or planets using my telescope?

Use a star map or an astronomy app to find the position of stars or planets. Align the telescope using the finderscope, then make fine adjustments with the slow-motion controls until the object is centered in the eyepiece.

What should I do if my telescope's focus knob is stiff or hard to turn?

A stiff focus knob may need lubrication. Apply a small amount of telescope-safe lubricant to the focusing mechanism. If the problem persists, consult the manufacturer or a professional for repairs.

How can I protect my telescope from environmental damage?

Store the telescope in a padded case or cover when not in use to protect it from dust and moisture. Avoid exposing it to extreme temperatures. If used in humid conditions, allow it to dry fully before storage.