Celestron 11007 Betriebsanweisung PDF herunterladen (Seite 31)

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The optical performance of your CPC telescope is directly related to its

collimation, that is the alignment of its optical system. Your CPC was

collimated at the factory after it was completely assembled. However,

ǡ

have to be collimated. The only optical element that may need to be

ǡǡǤ

To check the collimation of your telescope you will need a light source.

A bright star near the zenith is ideal since there is a minimal amount of

atmospheric distortion. Make sure that tracking is on so that you won’t

Ǥǡ

ǡǤ

means that it moves very little thus eliminating the need to manually

track it.

Before you begin the collimation process, be sure that your telescope is

in thermal equilibrium with the surroundings. Allow 45 minutes for the

telescope to reach equilibrium if you move it between large

temperature extremes.

To verify collimation, view a star near the zenith. Use a medium to high

Ȃ͙͞Ǥ

ƤǤ

Ǥ

skewing of the star to one side, then re-collimation is needed.



While your CPC telescope requires little maintenance, there are a few

things to remember that will ensure your telescope performs at its best.

>>ĆėĊĆēĉđĊĆēĎēČĔċęčĊĕęĎĈĘ

ǡȀ

of your telescope. Special care should be taken when cleaning any

instrument so as not to damage the optics.

ǡȋ

of camel’s hair) or a can of pressurized air. Spray at an angle to the lens

for approximately two to four seconds. Then, use an optical cleaning

solution and white tissue paper to remove any remaining debris. Apply

the solution to the tissue and then apply the tissue paper to the lens.

Low pressure strokes should go from the center of the corrector to the

ǤǨ

You can use a commercially made lens cleaner or mix your own. A good

cleaning solution is isopropyl alcohol mixed with distilled water. The

͘͞ά͘͜άǤ

ǡȋ

quart of water) can be used.

ǡǦ

Ǥ

observing, the dew must be removed, either with a hair dryer (on low

setting) or by pointing the telescope at the ground until the dew

has evaporated.

ǡ

accessories from the rear cell of the telescope. Place the telescope

in a dust-free environment and point it down. This will remove the

moisture from the telescope tube.

To minimize the need to clean your telescope, replace all lens covers

ƤǤǡ

cover should be placed over the opening when not in use. This will

prevent contaminants from entering the optical tube.



Ǥǡ

call the factory for a return authorization number and price quote.

͡ǧ͚

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