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Introduction

This guide will show you how to attach the eyepiece to your telescope. The eyepiece is used whenever you want to look through your telescope with your eye, as opposed to another piece of equipment such as a camera.

  1. Locate your star diagonal. Remove the translucent white cap and the black cap from the diagonal. Store the caps someplace where you won't lose them.
    • Locate your star diagonal.

    • Remove the translucent white cap and the black cap from the diagonal.

    • Store the caps someplace where you won't lose them.

  2. Locate your eyepiece. Remove the translucent white cap and the black cap from the eyepiece. Store your caps someplace where you won't lose them.
    • Locate your eyepiece.

    • Remove the translucent white cap and the black cap from the eyepiece.

    • Store your caps someplace where you won't lose them.

  3. Lift up the eyepiece cup by unfolding the rubbery edge of the eyepiece. Lift up the eyepiece cup by unfolding the rubbery edge of the eyepiece. Lift up the eyepiece cup by unfolding the rubbery edge of the eyepiece.
    • Lift up the eyepiece cup by unfolding the rubbery edge of the eyepiece.

  4. Insert the silver tube of the eyepiece into the black tube star diagonal. Tighten down the screws to hold the eyepiece in place. When you tighten screws, finger-tight is enough. Do not over tighten the screws.
    • Insert the silver tube of the eyepiece into the black tube star diagonal.

    • Tighten down the screws to hold the eyepiece in place.

    • When you tighten screws, finger-tight is enough. Do not over tighten the screws.

  5. Insert the silver tube of the  star diagonal into the T-adapter on the back end of the telescope. Tighten the two screws to hold the diagonal to the telescope. When you tighten screws, finger-tight is enough. Do not over tighten the screws.
    • Insert the silver tube of the star diagonal into the T-adapter on the back end of the telescope.

    • Tighten the two screws to hold the diagonal to the telescope.

    • When you tighten screws, finger-tight is enough. Do not over tighten the screws.

Conclusion

This material is based upon work supported by the National Science Foundation under Grant No. 1212159. Any opinions, findings and conclusions or recommendations are those of the author(s) and do not necessarily reflect the views of the NSF.

John Keller

Member since: 10/15/2012

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