Bedienungsanleitung Bresser 90-11100 National Geographic (Seite 18 von 52) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch)

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Azimuthal mounting

Azimuthal mounting just means that you can move your telescope up and down, left and right, without

having to adjust the tripod. With the help of the azimuth safety and the screws for the vertical ﬁ ne ad-

justment, you can lock your telescope in order to ﬁ x on an object (have this object right in your ﬁ eld of

vision). With the help of the vertical ﬁ ne adjustment, you can move the telescope slowly up and down.

And after you release the azimuth safety, you can move it right and left.

Before looking through your telescope for the ﬁ rst time

Before you look at something for the ﬁ rst time, you must coordinate the viewﬁ nder and the telescope

lens. You have to position the viewﬁ nder in such a way that you see the same thing through it as you

do through the eyepiece of the telescope. This is the only way you can use your viewﬁ nder to hone in

roughly on objects before you observe these objects magniﬁ ed through the telescope eyepiece.

Coordinating the viewﬁ nder and the telescope

Look through the telescope eyepiece (15) and hone in on a far away object that you can see well (for

instance, a church tower). Focus in on the object with the focus knob in the way shown in Fig. 7a.

Note: The object must be located in the middle of your ﬁ eld of vision when you look through the tel-

escope eyepiece.

Tip: If you loosen the locating screws for the vertical ﬁ ne adjustment (12) and the vertical axis (13), you

will be able to move the telescope (1) to the right and left, up and down. When you have the object well

placed in your ﬁ eld of vision, you can retighten the locating screws and ﬁ x the position of the telescope.

Next, look through the viewﬁ nder (2). You will see the image of the object you honed in on in the cross-

hairs. The image will be upside down.

Note: The image you see through the viewﬁ nder is upside down because the lenses are inverting it.

This is completely normal, and not an error.

If the image you’re looking at through the viewﬁ nder is not exactly in the middle of the crosshair (Fig.

7b), then you must turn the adjusting screws for the viewﬁ nder (3). Turn the screws until the image

is positioned in the middle of the crosshair (Fig. 7c). When you look through the eyepiece (14), you

should now see the same image detail as you see when you look through the viewﬁ nder (but upside

down of course).

Important: The viewﬁ nder and telescope are properly matched only when both image sections are

equal.

Notes on cleaning

• Clean the eyepieces and lenses only with a soft, lint-free cloth, like a microﬁ bre cloth. To avoid

scratching the lenses, use only gentle pressure with the cleaning cloth.

• To remove more stubborn dirt, moisten the cleaning cloth with an eyeglass-cleaning solution, and

wipe the lenses gently.

• Protect the device from dust and moisture. After use, particularly in high humidity, let the device

acclimatize for a short period of time, so that the residual moisture can dissipate before storing.

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