Levenhuk Nelson 7x35 Manual

Levenhuk Kikkert Nelson 7x35

Læs gratis den danske manual til Levenhuk Nelson 7x35 (4 sider) i kategorien Kikkert. Denne vejledning er vurderet som hjælpsom af 18 personer og har en gennemsnitlig bedømmelse på 4.9 stjerner ud af 9.5 anmeldelser. Har du et spørgsmål om Levenhuk Nelson 7x35, eller vil du spørge andre brugere om produktet?

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Side 1/4

Levenhuk Monoculars

User Manual

Eyepiece

Compass

Focus/diopter adjustment wheel

Objective lens

Strap mount

Caution! Never look directly at the Sun through this device, as this may cause permanent eye damage and even blindness.

Reliable and sturdy, Levenhuk Nelson marine monoculars produce a perfect at image and are an ideal choice for people who like to travel,

especially on the water, and oen nd themselves in extreme weather situations and harsh conditions. The rugged shell protects the intricate

optical system inside from any sudden impact or moisture, and withstands poor weather conditions, rain and sea waves. Features:

Features:

• Compact and lightweight

• Fully multi-coated optics made of BaK-4 glass

• Waterproof shell (IPX7)

• Quick and precise diopter adjustment

• Comfortable twist-up eyecup

• Built-in compass for easy orienting

• Rangender scale for convenient measuring of the observed object’s size or distance to the object

The kit includes: monocular, objective lens cap, strap, pouch, optics cleaning wipe, user manual and warranty.

Focusing and diopter adjustment

Follow this procedure to adjust focus and diopter setting:

• Set the focus/diopter adjustment wheel to its original position (the white mark on the wheel should be opposite the value “0”).

• Look through your monocular on an object located at a distance of about 100m from you.

• Set the sharpness of the image by further turning the focus setting to the right or le.

From time to time, you will have to refocus the lens, so remember the setup process for future use.

Using eyecup

We recommend setting the eyepiece in the lowest position for observations while wearing eyeglasses. Turn the eyecup upward in a spiral (for

upper position); turn the eyecup downward in a spiral (for lower position).

Do not apply excessive pressure as this may damage the eyecup.

Using the compass

Your monocular is equipped with a directional compass. If you look into the eyepiece, you will see a scale in degrees (350…360…) at the lower

edge of your eld of view. The directional compass show orientations it terns of angles, where the North is represented as 360°, East as 90°,

South as 180° and West as 270°.

Having the object centered with the rangender scale in the eld of view, read the graduation. The orientation of the object can be identied

from the reading.

Note: The north indicated the directional compass is “magnetic north”, which is dierent from ”true north”. The rue north is the same no matter

where you are located around the world. The magnetic north varies on your location.

By using the monocular, together with a map and an angle meter, you will then be able to precisely nd your location.

Example: On a boat sailing, the arrow shows the direction your boat is heading for (g. 1).

In Fig. 2, by reading the compass in the monocular, you read 190° from the boat to the buoy. (The counter-directional angle, 190°–180°=10°,

from the buoy to the boat.) To locale your position precisely, you need to have a second reference. In Fig. 3. by using the lighthouse as the

second reference, the direction from the lighthouse to the boat is 120° (300°–180°=120°) and the buoy (10°).

Reading the rangender scale

To accurately use the rangender scale, you will need to know either the size or distance of the object.

For monoculars Nelson, you can use formulas to calculate the distance to the object (when you know its size) or the object’s size (when you

know the distance).

When you know the object’s size (in centimeters), calculate the distance to the object (in meters):

Example: Object size (you know) is 81cm, rangender scale reading is 2.4 units. Calculate the distance to the object:

When you know the object’s size (in centimeters), calculate the distance to the object (in meters):

Example: Distance (you know) is 3000m rangernder scale reading is 1.7 units. Calculate the object height:

Lighthouse Lighthouse Lighthouse

N N N

Buoy Buoy Buoy

Boat

120°

300°

190°

190° 10°

Fig. 1 Fig. 2 Fig. 3

Distance = rangender scale reading

(100 × size)

Size = 100

distance × rangender sale reading

= 3375m

2.4

100 × 81cm

= 51cm

100

3000m × 1.7

Produkt Specifikationer

Mærke:	Levenhuk
Kategori:	Kikkert
Model:	Nelson 7x35

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