Using Your Telescope; Getting Familiar With Your Telescope - iOptron AstroBoy Instruction Manual

Computerized telescope

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Every time you turn on the telescope, this initial setting up screen will be shown. You

need to enter date and local time; however, you may just press the ENTER key to skip site

setting if everything remains unchanged. The daylight saving, time zone and site info will be

stored in the hand controller memory.

You may also get into this setup procedure by pressing MENU button from the main

menu, scrolling down and selecting "Set Up Controller," then selecting "Set Up Time and Site".

4.3. Using Your Telescope

Always practice your telescope during the daytime to get familiar with the operation.

Eyepiece and diagonal:

1. A 20 mm eyepiece is included with your AstroBoy telescope. If you have multiple

eyepieces, always begin viewing with the lowest power eyepiece. (A 25 mm focal length

eyepiece has a lower power than a 10 mm one.) A formula can be used to determine the power

of each eyepiece: Telescope focal length divided by eyepiece focal length equals magnification.

For example, if a 60mm diameter refractor telescope has a focal length of 360mm, when

a 10 mm eyepiece is used, the magnification will be:

360mm ÷ 10mm = 36X (magnification)

2. The AstroBoy telescope comes with a 45° Erecting Diagonal Prism. The Erecting

Diagonal Prism is used to erect the image you will see. Astronomical telescopes are designed in

such a way that the image you see may be UPSIDE DOWN and REVERSED. This is

acceptable for viewing celestial bodies. However, it will feel strange when observing a land

object or a bird.

Focusing Telescope:

1. After selecting the desired eyepiece aim the telescope tube at a land-based target at

least 200 yards away (e.g. A telephone pole or building). Fully extend focusing tube by turning

the focuser(6) clockwise.

2. While looking through selected eyepiece, slowly retract focusing tube by turning

focuser counterclockwise until object comes into focus.

Electronic Eyepiece:

If your telescope equipped with an electronic eyepiece, such as #8429 (an iOptron

iE1300 electronic eyepiece), refer to the electronic eyepiece manual for the operation. An

electronic eyepiece works just as a short focal length (few mm) eyepiece. Therefore, you need

to start the observation with the longer focal length eyepiece. In most cases, directly replace an

optical eyepiece with an electronic eyepiece will not bring an image onto the computer screen

immediately. Fine focusing is needed. You should practice in daytime to get familiar with your

setup.

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