SVBONY SV27 Manual

SVBONY Kikkert SV27

Læs gratis den danske manual til SVBONY SV27 (4 sider) i kategorien Kikkert. Denne vejledning er vurderet som hjælpsom af 24 personer og har en gennemsnitlig bedømmelse på 4.9 stjerner ud af 12.5 anmeldelser. Har du et spørgsmål om SVBONY SV27, eller vil du spørge andre brugere om produktet?

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Side 1/4

Congratulations on your choice of our binocular. Your binocular is a precision

instrument designed to provide many years of pleasurable viewing. This

guide will help you achieve optimum performance by explaining how you can

adjust the binocular to your eyes, how to care for this instrument, and. Read

the instrument carefully before using your binocular. Remove the eyepiece

lens cap covering, and then remove the objective lens cover.

Package Includes

● 7x50 Binoculars

● Soft Bag

● Neck Strap

● Eyepiece Cap

● Two Objective Lens Cap

● Lens Cleaning Cloth

● Two Button Battery

● User Manual

Technical specifications

1. Magnification: 7x

2. Objective lens: 50mm

3. Eyepiece diameter: 23mm

4. Prism System: Porro Bak4

5. Field of View: 396 ft/1000yds

6. Exit Pupil: 7mm

7. Eye Relief: 24mm

8. Waterproof Grade: IPX7

9. Lens Coating: FMC

10. Body Material: Plastic steel + Rubber

11. Eyecups Type: Folding Removable

12. Focus System: IF　

13. Tripod Adaptable: Yes

14. Net Weight: 876g

Do not look directly into the sun with the binocular; this can be

very damaging to the eyes.

Adjusting the Interpupillary Distance (IPD)

Since the distance between the eyes (specifically, the distance between the

centers of the pupils) varies among individuals, the two eyepieces of the

binoculars must be correctly aligned (adjusted). This is called adjusting the

interpupillary distance. To adjust this distance, lift the binoculars up to your

eyes (using both hands) and look through them at an object in the distance.

Move the two halves of the binoculars about the hinge until you see one clear

circle of image through both eyes.

Focusing

Since most people have a variance of vision from their left eye to their right

eye, you must adjust the focusing system. Use the following steps to achieve

focus:

(1) Close your right eye and look through the left side of the binoculars with

your left eye at the subject matter. Rotate the center focusing wheel until

the image appears in sharp focus;

(2) Close your left eye and look through the right eyepiece (called the diopter).

Rotate the right eyepiece until the image appears in sharp focus;

(3) Look through both eyepieces with both eyes open. Since you’ve already

adjusted the right eyepiece, use only the center focusing wheel to refocus

on a new object at a different distance.

Hint: Eyeglasses worn for nearsightedness should be worn when using

binoculars as you may not be able to reach a sharp focus at infinity

without them.

Set the Rubber Eyecups

Keep the Rubber Eyecup up if you do not wear eyeglasses but fold them

down if you do wear eyeglasses to obtain the maximum field of view.

Installing the Batteries

The batteries included with your binocular are for illuminating the compass,

so you can see it easily in the dark. You need to install the batteries which

are located in the case pocket. Unscrew the battery cap by hand and then

remove the screw with a coin or screwdriver. The batteries are to be installed

with the positive (+) side facing up towards you. Replace the screw and

battery cap. If you will not be using the binocular for a long period of time (a

few months or more), you should take the batteries out to preserve their life.

Using the Reticle as a Measuring Device

1. View Angle

View Angle of an object is the angle between the rays from the Binocular to

its edges. Usually, this angle is measured at the horizontal or vertical direction,

and defined as Horizontal View Angle and Vertical View Angle. A mil’s Reticle

(shown to the right) that has a horizontal and vertical scale can measure the

viewing angle of an object. The SV27 uses 10 mils for each number

(1, 2, 3… as shown here).

2. Measuring the Horizontal View Angle

When the Horizontal View Angle is smaller than the horizontal scale range

(-40~+40 mils) inside the binocular, aim one edge of the object at a horizontal

scale line (the center or the outmost line is selected according to the image

size of the object usually) and read its value. Then read the value of the scale

at which another edge was located. Add these two values and this is the

measured Horizontal View Angle. The Horizontal View Angle of the target

(sailboat) is 5 decade mils (50 mils).

When the Horizontal View Angle is larger than the horizontal scale range

(-40~+40 mils), use vertical line splits (for example: mast, sail, etc.) on the

object can be selected to make the necessary estimated measurements in a

step by step fashion.

1 2

3 4

3. Measuring the Vertical View Angle

Vertical View Angle measurement is similar to measuring the Horizontal View

Angle. When the Vertical View Angle measurement is small, aim the

intersecting point of the vertical and horizontal lines of the Reticle at the lower

part of the object and read the scale value at the top of the object. The angle

included between the upper and lower parts of the target (lighthouse) is 6

decade mils (60 mils).

When the Vertical View Angle is larger than the vertical scale range (60 mils),

it can be measured in steps, and the angle can be obtained by summing up

the value of each step.

4. Using the Reticle to Measure Distance

The distance measurement of a target can be calculated by using mil Reticle.

The formula of distance measurement: L (km) = H (m)/ω

L- The distance between the observer and the object (km)

H - The height of the object (m)

ω - the View Angle of the object measured with the Reticle of the binocular

(mil).

When measuring the distance, estimate the width or height of the object and

next measure the View Angle of the object. Accordingly, you can calculate the

distance between the observer and the object using the formula.

For example:

There is an adult whose height is 1.70 m. (H = 1.70 m)

The Vertical View Angle of the adult is 4 decade mils (40 mils)

L = H/ω=1.7/40 = 0.0425 km = 42.5 m

Therefore: the distance between the observer and the adult is 42.5 m. (for

feet conversion, multiply 42.5 by 3.28).

Warranty Card

Product Model

Purchasing Date

Defect Reason

Dealer Name

Telephone

User’s Name

User’s Address

User’s Email

Guarantee Clause

1. Our product have one year guarantee and free after-sale service.

2. Please fill in the form with the correct and true information in case we can

resend the item to you.

5 6

Produkt Specifikationer

Mærke:	SVBONY
Kategori:	Kikkert
Model:	SV27

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