Celestron Travel Scope 80 Manuel utilisateur

INSTRUCTION MANUAL

Model #22030

ENGLISH

ENGLISH I3

CONTENTS

WHAT’S IN THE BOX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

SOLAR WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Setting up the Tripod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Attaching the Telescope Optical Tube to the Tripod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Moving the Telescope Manually. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Installing the Diagonal and Eyepiece . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Installing the Finderscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Aligning the Finderscope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Focusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

GENERAL OBSERVING HINTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

WARRANTY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4 I ENGLISH

ENGLISH I5

• Never look directly at the Sun with the naked eye or with a telescope unless you have the proper solar ﬁlter. Permanent and

irreversible eye damage may result.

• Never use your telescope to project an image of the Sun onto any surface. Internal heat build-up can damage the

telescope and any accessories attached to it.

• Never use an eyepiece solar ﬁlter or a Herschel wedge. Internal heat build-up inside the telescope can cause these devices

to crack or break, allowing unﬁltered sunlight to pass through to the eye.

• Do not leave the telescope unsupervised, either when children are present or adults unfamiliar with the correct operating

procedures of your telescope are present.

SOLAR WARNING

We recommend saving your telescope box so it can be used to store the telescope when it is not in use. Unpack the box

carefully as some parts are small. Use the parts list below to verify that all parts and accessories are present.

PARTS LIST

WHAT’S IN THE BOX

1. Objective Lens

2. Telescope Optical Tube

3. Quick Release Mounting Plate

4. Azimuth Tension Knob

5. Tripod

6. Finderscope

7. Eyepiece

8. Erect Image Diagonal

9. Focus Knob

10. Pan Handle/Altitude Lock

11. Central Column Locking Knob

• Telescope Optical Tube

• Finderscope & Bracket

• Erect image diagonal

• 20 mm & 10 mm Eyepieces

• Tripod & Mount

• Tripod quick release mounting plate

• Backpack

6 I ENGLISH

Set up your Travel Scope indoors the ﬁrst time and familiarize yourself with the correct assembly procedure before

attempting it outdoors.

ASSEMBLY

SETTING UP THE TRIPOD

1. The tripod comes preassembled. Stand the tripod upright and

pull the tripod legs outward until each leg is fully extended.

2. To raise the height of the tripod, unlock the tripod leg lock

clamps at the bottom of each tripod leg by opening the clamp

for each section and pulling outward. Once a clamp is unlocked,

pull the tripod leg out as far as it will go, and then close the

leg lock to secure it. Continue doing this for each tripod leg

and each section to raise the height to the level you desire.

3. If you want to raise the tripod height up further, use the central

column locking knob. Turn the locking knob counterclockwise

until loose. Then, pull up on the head of the tripod. Continue

pulling to the height you desire and then tighten the locking

knob. To ensure the stability of the mount, make sure the column

extension knob is tight.

ENGLISH I7

ATTACHING THE TELESCOPE OPTICAL TUBE TO THE TRIPOD

The telescope optical tube attaches to the tripod using the mounting bracket on the bottom of the optical tube and the

mounting platform of the tripod. Before starting, make sure all of the knobs on the tripod are locked.

1. Flip the lever on the side of the tripod head to release the

quick-release mounting plate and lift it out of the tripod head.

2. Screw the quick-release mounting plate to the bottom of the

telescope optical tube.

3. Place the telescope optical tube with the quick-release

plate back into the tripod head and secure it by pushing the

quick-release lever so it is ﬂush against the mount.

MOVING THE TELESCOPE MANUALLY

The Travel Scope is easy to move wherever you want to point it. The up and down (altitude) is controlled by the pan handle.

Unlock the up and down motion by rotating the pan handle counterclockwise, move the telescope up or down as needed and

then rotate the pan handle clockwise to lock it in place. You can adjust how much force it takes to turn the telescope left and

right by adjusting the azimuth tension knob.

8 I ENGLISH

INSTALLING THE DIAGONAL AND EYEPIECE

The Travel Scope uses a 45 degree erect image diagonal that corrects the image to be right side up and oriented

correctly left-to-right which is much easier to use for terrestrial observing. The diagonal can be rotated to any position.

To install the diagonal and eyepiece:

INSTALLING THE FINDERSCOPE

The Travel Scope comes with a small optical ﬁnderscope to help

you aim the main scope at a distant target.

To install the ﬁnderscope:

1. Locate and remove the two silver thumb nuts on the left side of

the telescope tube.

2. Place the ﬁnder bracket over the two exposed threaded shafts.

3. Replace the nuts to hold the ﬁnderscope in place.

Finderscope

Bracket

Finderscope

Eyepiece

Adjustment

Screws

Knurled

Nuts

Objective Lens

1. Loosen the two thumbscrews on the rear on the telescope

optical tube and remove the cap covering the focuser.

2. Remove the caps from both ends of the diagonal and insert

the chrome barrel of the diagonal inside the focuser of the

telescope optical tube. Secure the two thumbscrews to hold it

in place.

3. Loosen the set screws on the side of the diagonal and insert

the chrome barrel of the eyepiece into the diagonal. Secure the

thumbscrews to hold the eyepiece in place.

ENGLISH I9

FOCUSING

To focus your TravelScope turn the focus knob located near the rear of the telescope while looking through the telescope’s

eyepiece. If you wear glasses, you may want to remove them when observing with an eyepiece attached to the telescope.

However, if you have astigmatism, corrective lenses should be worn at all times. You will need to refocus the telescope each

time you change eyepieces or view targets at different distances from you.

ALIGNING THE FINDERSCOPE

In order to use your ﬁnderscope, you need to ensure it is pointing in the same direction as your main telescope. It is

recommended that you do this during the day. To do this:

1. Take the scope outside, remove the lens cap, and locate a distant daytime object such as a signpost, light pole, radio

antenna, etc. We recommend an object at least a quarter of a mile away but if this is not possible, use an object as far

away as you can.

2. Center this object in the main telescope using a low power (20 mm) eyepiece in the main telescope.

3. Look through the eyepiece of the ﬁnderscope and take notice of the position of the same object.

4. Without moving the main telescope, turn the adjustment thumbscrews located around the ﬁnderscope bracket until the

crosshairs of the ﬁnderscope are centered on the object chosen with the main telescope.

Your telescope and ﬁnderscope are now aligned. To aim the main telescope, grab the mount’s pan handle and loosen the

altitude lock. Look through your ﬁnderscope until the crosshairs are on the target you want to view and lock the altitude

lock to hold the scope in place. Now look through your low power eyepiece in the main telescope and the target should be

visible. To zoom in on the target, change to your higher power eyepiece and refocus the telescope using the focus knobs.

Note: Objects viewed through a ﬁnderscope are upside down and backwards, which is normal.

10 I ENGLISH

When using any optical instrument, there are a few things to remember to ensure you get the best possible image.

• Never look through window glass. Glass found in household windows is optically imperfect, and as a result, may vary in

thickness from one part of a window to the next. This inconsistency can and will affect the ability to focus your telescope. In

most cases you will not be able to achieve a truly sharp image, while in some cases you may actually see a double image.

• Never look across or over objects that are producing heat waves. This includes asphalt parking lots on hot summer days or

building rooftops.

• Hazy skies, fog, and mist can also make it difﬁcult to focus when viewing terrestrially. The amount of detail seen under these

conditions is greatly reduced.

Note: Your telescope was designed for terrestrial observation. Knowing how to use it for this purpose has been described

already as it is quite simple and straightforward. Your telescope can also be used for casual astronomical observing

which will be discussed in the next sections.

GENERAL OBSERVING HINTS

Your telescope has a Two Year Limited Warranty. For detailed information and to register your new product, please

visit celestron.com.

WARRANTY

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