Newcon Optik 20x40x100 Manuel utilisateur

Operator’s Manual

Big Eye Binoculars

20x40x100

105 Sparks Ave., Toronto, ON, M2H 2S5, Canada

Table of Contents

1. BRIEF DESCRIPTION ................................ 2

2. SPECIFICATIONS....................................... 3

3. ASSEMBLY ................................................. 4

8. STORAGE AND MAINTENANCE ............ 8

9. WARRANTY ............................................... 9

10. CUSTOMER SUPPORT ............................ 10

1. BRIEF DESCRIPTION

The Big Eye Binoculars (hereinafter referred to as Big

Eye) features high optical and technical characteristics. It

is designed and intended for viewing distant objects under

all climatic conditions.

Two types of interchangeable eyepieces, 20x and 40x,

provide different magnification depending on observer’s

preferences. This model works in wide range of

temperatures and humidity up to 98%.

Caution:

The binoculars should never be used to directly

observe bright sources of light, such as welding

arc light, sunlight, etc to prevent damage to eyes

or skin.

2. SPECIFICATIONS

Magnification 20x 40x

Field of view, degrees 2.4 1.5

Apparent field of view, degrees 48 60

Exit pupil diameter, mm 5 2.5

Eye relief, mm 23 13

Eyepiece dioptre setting range,

dioptres -5…+20

Interpupillary distance setting, mm 58-72

Light transmission (directed), min 70%

Twilight index 44.72 63.25

Relative brightness 25 6.25

Resolution, angular seconds 2.45 2.76

Dimensions, binoculars only, mm 420x257x125

Net weight (without tripod), kg, max 7

Focusing distance, m 20-

Surveying angle, degrees 50

Elevation, degrees 85

3. ASSEMBLY

The binoculars appearance is shown on the Figure 1. It

consists of the binocular itself, U-mount and tripod.

1. How to adjust the tripod

The tripod height can be adjusted by locknuts (1). Loosen

the locknuts (1) and pull out the legs (2) to get the desired

height, and then tighten the locknuts. The locknuts should

be reliably secured to mount the U bracket on the tripod.

2. How to mount the U bracket

Put the model U bracket on platform of the tripod (3), and

then fasten the locknut (4). The model U bracket must be

firmly fixed on the tripod.

U-

racke

Binoculars bod

Tri

U-

racke

3. How to mount the binoculars on the U

bracket

Place the bottom of the binoculars (5) on the U bracket

and tighten the locknut (6). Tighten left and right locknuts

(7) of the U bracket.

4. How to use the align the binoculars with the

target

Loosen the U bracket locknut (8) and rotate the binoculars

around vertical axle. Aim the binoculars towards your

target. Loosen locknuts (7) and adjust the vertical viewing

angle respectively. Tighten back the locknuts (7) and (8).

5. How to replace eyepieces with different

magnification

Eyepieces are mounted in eccentric holders and secured in

body by means of threaded rings. Place the supplied

rubbers into the grooves on the eyepiece body and secure

the eyepieces in the eyepiece holders.

6. How to adjust interpupillary distance

The adjustment is performed by rotating of two eccentrics

(9) (Figure 2). The observer is supposed to find the

distance suitable for his individual normal viewing.

7. How to adjust the dioptres

The diopter adjustment is performed by the knobs 10. The

observer is supposed to find the diopter position suitable

for his individual normal viewing.

Fig. 2

8. STORAGE AND MAINTENANCE

Big Eye 20(40) x l00 high magnification binoculars are a

precision optical instrument. It should be handled with

utmost care when in operation, storage and transportation.

When using and storing, the binoculars should be kept

clean. If dust, grease or dirt is found on the glass surface,

gently wipe it off with a piece of clean cloth or lens paper.

It's forbidden to wipe lens off with fingers, ordinary paper

or dirty cloth.

In case of any malfunction, please contact the

manufacturer; never disassemble the binoculars yourself.

Inspect the condition of the cartridge with desiccant.

During the seasons when relative humidity tends to

increase (specifically in fall and in spring) proceed with

drying the binocular twice a month.

During the colder season of the year, when the ambient

temperature drops below zero, be sure to periodically

rotate the mechanisms, so as to protect them against

freezing.

The binoculars should be stored at temperature range

between +5°C and + 35°C and relative humidity not more

than 70%. The premises should be well ventilated. It's not

permissible to store the binoculars with chemicals, such

as acids, alkalis, salts and batteries etc. The binoculars

cannot be exposed to open heat closer than 1.5 meters

from the heat source.

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