National Geographic NG90EQ owner manual

Page 6

7)The counterweight balances your telescope and makes it easy to adjust and position. Hold the counterweight in your hand so you can see through the hole in the weight. Make sure that the black tightening knob on the counterweight is facing down. When you look through the counterweight, if you see that the hole is blocked by a metal rod, slowly turn the tightening knob counterclockwise to loosen it until you see that the hole is clear (see Fig. 8). Then insert the counterweight shaft through the counterweight. Turn the tightening knob clockwise to tighten it. Then insert the threaded end of the counterweight rod into the equatorial mount and turn it clockwise until it stops (See Fig. 9 and Fig. 10).

(Fig. 8)

(Fig. 9)

(Fig. 10)

8)Attach the long slow-motion control knob to the chrome right ascension shaft as shown in Fig. 11. Tighten the small chrome knob on the slow-motion control until it is tight against the flat side of the right ascension shaft. Attach the shorter slow-motion control to the chrome declination shaft as shown in Fig. 12 and tighten it into position. Fig. 13 shows the completed assembly.

(Fig. 11)

(Fig. 12)

(Fig. 13)

9)Slide the finder scope into its bracket on top of the main optical unit. Tighten the two small chrome screws to hold it securely in position (See Fig. 14).

(Fig. 14)

6

Image 6
Contents NG90EQ Parts of your NG90EQ Telescope Introduction Assembly Page Page Finder Scope Alignment Equatorial Mount Word about the TWO Eyepiece Ports Eyepiece Power Power With 3X Barlow Lens About MagnificationUsing Your Telescope for Astronomical Viewing Using Your Telescope for Terrestrial Viewing Right ascension tightening knob Azimuth locking knobMoon Care and Cleaning of OpticsWhat to Look for in the Night SKY PlanetsFrequently Asked Questions How far can I see?Why can’t I see anything through my telescope? Made in China

NG90EQ specifications

The National Geographic NG90EQ is a premium-quality, fully-equipped equatorial telescope that provides amateur astronomers and enthusiasts with an exceptional viewing experience. This powerful telescope is ideal for both planetary observation and deep-sky tracking, making it a versatile addition to any stargazer's collection.

One of the standout features of the NG90EQ is its impressive 90mm aperture. This large lens collects ample light, allowing for bright and detailed images of celestial bodies. With a focal length of 900mm, the telescope offers a focal ratio of f/10, which is well-suited for high-magnification observation. This design ensures that users can easily spot planets like Jupiter and Saturn, as well as a variety of stars and nebulae.

The NG90EQ is equipped with an equatorial mount, an essential component for tracking celestial objects as they move across the night sky. This mount allows users to precisely align the telescope with the North Star, simplifying the process of finding and following planets and stars. The included setting circles further assist in locating astronomical objects, making it easier for newcomers to explore the night sky.

Another notable characteristic of the NG90EQ is its user-friendly design. The telescope features an adjustable, ergonomic tripod that provides stability and supports easy height adjustment. With an optical finderscope, users can quickly locate objects before zooming in with the main telescope. The scope also includes high-quality eyepieces, offering multiple magnification options for varied viewing experiences.

Durability is a key aspect of the NG90EQ, as it is built with robust materials that withstand regular use. Its compact design makes it portable, perfect for taking to dark sky locations away from city lights. The telescope's ease of assembly means that novice astronomers can set it up in a matter of minutes, encouraging exploration and learning.

In summary, the National Geographic NG90EQ telescope stands out due to its excellent optical performance, user-friendly features, and sturdy construction. With its equatorial mount and quality optics, this telescope is perfect for discovering the wonders of the universe, making it a fantastic choice for both beginners and seasoned astronomers alike.