The Telescope Tube; The Star Diagonal; The Eyepiece - Celestron ASTROMASTER 21073 Manual De Instrucciones

THE TELESCOPE TUBE

To attach the telescope tube to your tripod and mount:
1 . Move the mount so that the telescope mounting platform
is parallel to the ground Lock the altitude clutch to
prevent it from moving
2 . Locate the dovetail bar mounted on the bottom of the
telescope tube
3 . olding the telescope tube above to the mount, slide
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the dovetail bar into the telescope clamp at the top
of the mount
4 . Tighten the large hand knob on the mounting screw to
secure the telescope in place
NOTE:
The 70 mm refractor is shown, but the 60 mm refractor and 114 mm
Newtonian attach to the mount in the same way.

THE STAR DIAGONAL

The star diagonal attaches to the back of the 60 mm and 70 mm refracting telescopes and contains a small mirror that
reflects light at a 90° angle, providing a more comfortable viewing position If you were to install the eyepiece directly into
the back of a refracting telescope, the image would be mirror reversed and upside-down The star diagonal will flip the
image right-side up but the image will still appear mirror reversed left to right This is normal for astronomical telescopes
To insert the diagonal:
1 . Remove the caps from both sides of the diagonal
2 . Loosen the setscrews on the back of the focuser and
pull out the small dust cap
3 . nsert the smaller tube on the diagonal into the back of
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the focuser and secure it by tightening the setscrews
You can adjust the angle of the star diagonal to any
desired direction before tightening the screws
NOTE: A star diagonal will not reach focus on a Newtonian telescope. The image
will always appear upside-down.

THE EYEPIECE

Your telescope comes with two eyepieces The 20 mm which will give low magnification with a moderately wide field of
view The 10 mm will give you higher magnification, but a narrower field of view Additional eyepieces can be purchased
to increase or decrease the magnification to your desired level When first locating an object, it is best to use the 20 mm
eyepiece, then, once the object is centered, change to the 10 mm eyepiece to "zoom in" on it
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