Celestron 90LCM Bedienerhandbuch PDF herunterladen (Seite 7)

Leveling the Telescope

Now that the base is attached to the tripod, it is a good idea

to use the included bubble level to more accurately level

the telescope.

1. Place the bubble level on the top of the motorized base.

2. Adjust the tripod legs until the bubble level shows the base

to be level.

Attaching the Telescope to the Base

Your telescope optical tube has a built on dovetail mounting

bar used to attach the tube to the base. To attach the

telescope tube:

1. Loosen the altitude clutch knob a quarter turn and rotate the

tube clamp so that the mounting bolt is positioned on the

top of the base. Retighten the altitude knob by hand, but do

not over tighten.

2. Loosen the tube clamp mounting bolt.

3. Slide the telescope tube’s dovetail mounting bar into the

tube clamp. Make sure that the ﬁnderscope is pointing up

when the tube is attached to the base.

4. Tighten the mounting bolt by hand to secure the tube to

the base.

Your telescope is fully assembled and is ready to attach

the accessories.

The Star Diagonal

(For 60, 70, 80 and 90mm Models)

The star diagonal diverts the light at a right angle from the light

path of the telescope. For astronomical observing, this allows

you to observe in positions that are more comfortable than if

you were to look straight through. To attach the star diagonal:

1. Turn the thumbscrew on the eyepiece adapter at the end

ofthefocuserbarreluntilitnolongerextendsinto(i.e.,

obstructs)theinnerdiameterofthefocusbarrel.Removethe

protective dust cap from the focuser barrel.

2. Slide the chrome portion of the star diagonal into the

focuser barrel.

3. Tighten the thumbscrew on the focuser barrel to hold the

star diagonal in place.

If you wish to change the orientation of the star diagonal,

loosen the thumbscrew on the eyepiece adapter until the star

diagonal rotates freely. Rotate the diagonal to the desired

position and tighten the thumbscrew.

The Eyepiece

The eyepiece is the optical element that magniﬁes the image

focused by the telescope. The eyepiece ﬁts either directly

intothefocuser(76/114LCMmodels)orintothestardiagonal

(60/70/80/90LCMmodels).Toinstalltheeyepiece:

For 60, 70, 80 and 90 models:

1. Loosen the thumbscrew on the star diagonal so it does

not obstruct the inner diameter of the eyepiece end of the

diagonal. Remove the protective dust cap from the star

diagonal’s barrel.

2. Slide the chrome portion of the low power 25 mm eyepiece

into the star diagonal.

3. Tighten the thumbscrew to hold the eyepiece in place.

For 76 and 114 models:

1. Loosen the thumb screw on the eyepiece adapter at the end

of the focuser barrel and remove the protective dust cap

from the focuser barrel.

2. Slide the chrome portion of the low power 25 mm eyepiece

into the eyepiece adapter.

3. Tighten the thumbscrew to hold the eyepiece in place.

To remove the eyepiece, loosen the thumbscrew on the

eyepiece barrel and slide the eyepiece out.

Figure 2-5

Leveling the Base

Place Bubble

Level Here

Figure 2-8

Eyepiece for 76/114 LCM

Eyepiece

Figure 2-7

Accessories For 60/70/80/90 LcM

Focuser Barrel

Eyepiece

Star Diagonal

Figure 2-6

Mounting

Bolt

Dovetail

Bar

Altitude

Clutch Knob

1 2 3 4 5 6 7 8 9 10 11 12 ... 34 35

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