The Star Diagonal - Celestron Travel Scope 50 Instruction Manual

Sun observing telescope with backpack
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THE STAR DIAGONAL

The star diagonal is a mirror that diverts the light at a right angle to the light path of the telescope. This allows you
to observe in a position that is more comfortable than if you had to look straight through. When looking through the
eyepiece, the image will appear to be correctly oriented up and down, but will be mirror reversed left to right. This is
perfectly normal.
To install the diagonal:
1. Remove the cap from the focuser of the telescope by turning the silver
set screws counterclockwise until they are no longer protruding into
the focuser tube.
2. Remove the caps from both ends of the star diagonal.
3. Insert the silver barrel of the star diagonal into the focuser tube.
THE EYEPIECES
Your EclipSmart telescope comes with one high quality 20 mm eyepiece that will give you 18x magnifi cation and a
2-degree fi eld of view. This is a perfect magnifi cation for watching the phases of a solar eclipse or just looking at
sunspots at any time. You can increase the magnifi cation by using optional eyepieces with focal lengths shorter
than 20 mm. Your scope can accept any industry-standard 1.25 inches diameter eyepiece between 5 mm and
32 mm focal length.
To install an eyepiece:
1. Loosen the setscrews on the open end of the star diagonal.
2. Insert the silver barrel of the 20 mm eyepiece into the diagonal.
3. Tighten the setscrews to secure the eyepiece.
FOCUSING
When you fi rst look through the telescope at the Sun, the mage will likely
be blurry. To bring the image to a sharp focus:
1. Look at the Sun through the 20 mm eyepiece.
2. Turn the focus knob located under the back and forth until the edge of
the Sun is as sharp as possible.
If observing with a group of people, each person viewing through the
telescope should focus the image for their own eyes. If you use additional
eyepieces to increase magnifi cation, you should readjust the focus each
time you switch eyepieces.
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Tr a v el S c o pe 5 0
Focus Knob

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