Installing The Diagonal & Eyepiece; Installing The Finderscope - Celestron ROYAL OBSERVATORY GREENWICH TRAVEL SCOPE 70 Instruction Manual

INSTALLING THE DIAGONAL AND EYEPIECE
The diagonal is a prism that diverts the light traveling through the telescope so you can observe at a more comfortable
viewing angle. The Travel Scope diagonal is an erect image model that corrects the image to be right side up and oriented
correctly left-to-right, which is much easier to use for terrestrial observing. You can rotate the diagonal to any position you
prefer. To install the diagonal and eyepiece:
1. Remove the cap from the opening at the rear of the telescope
tube and the caps from the barrels on the diagonal. Make sure
that the two setscrews on the rear of the telescope tube are
not protruding into the opening. Insert the small barrel of the
diagonal all the way into the rear opening of the telescope tube.
Tighten the two setscrews to secure the diagonal in place,
taking care not to overtighten.
2. Make sure the setscrew at the other end of the diagonal is not
protruding into the opening. Place the chrome barrel end of
the eyepiece into the diagonal and tighten the setscrew, taking
care not to overtighten.

INSTALLING THE FINDERSCOPE

1. Locate the fi nderscope bracket. The fi nderscope is already
mounted inside.
2. Remove the knurled nuts on the threaded posts on the
telescope tube (Fig. 12).
3. Orient the fi nderscope so that the larger diameter lens is facing
toward the front of the telescope tube. Place the fi nderscope
bracket over the posts. Holding the bracket in place, thread the
knurled nuts onto the posts to secure the fi nderscope bracket
in place.
4. Remove the lens caps from both ends of the fi nderscope.
Optical Tube
Set Screws
Diagonal
Objective Lens
Finderscope
Finderscope
Bracket
Adjustment
Knurled
Screws (3)
Nuts
Eyepiece
Fig. 11
Eyepiece
Fig. 12
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