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
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
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
Surveying angle, degrees 50
Elevation, degrees 85
-5…+20
20-
3
3. ASSEMBLY
b
t
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.
4
p
b
t
Binoculars body
6
8
Tri
od
1
2
Fig.1
4
U-
7
5
racke
3
5
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.
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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.
7
9
10
Fig. 2
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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.
8
9. WARRANTY
NEWCON warrants this product against defects in
material and workmanship for one year from the date of
the original purchase. Longer warranty is available,
subject to the terms of the specific sales contract. Should
your Newcon product prove to be defective during this
period, please deliver the product securely packaged in its
original container or an equivalent, along with the proof
of the original purchase date to your Newcon Dealer.
Newcon will repair (or at its option replace with the same
or comparable model), the product or part thereof, which,
on inspection by Newcon, is found to be defective in
materials or workmanship.
What This Warranty Does Not Cover:
NEWCON is not responsible for warranty service should
the product fail as a result of improper maintenance,
misuse, abuse, improper installation, neglect, damage
caused by disasters such as fire, flooding, lightning,
improper power supply, or service other than by a
NEWCON Authorized Service.
Postage, insurance, and shipping costs incurred while
presenting your NEWCON product for warranty service
are your responsibility.
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10. CUSTOMER SUPPORT
Should you experience any difficulties with your
NEWCON OPTIK product, consult this manual first. If
the problem remains unresolved, contact our customer
support department at (416) 663-6963 or toll free at 1877-368-6666. Our operating hours are 9am-5pm,
Monday - Friday, Eastern Standard Time. At no time
should equipment be sent back to Newcon without
following the instructions of our technical support
department.
NEWCON OPTIK accepts no responsibility for
unauthorized returns.
To locate NEWCON Authorized Dealer
call: +1(416) 663-6963 or
fax: (416) 663-9065 or
email: newconsales@newcon-optik.com,
Web: www.newcon-optik.com
Defective products should be shipped to:
US customers:
2498 Superior Ave. Cleveland, OH 44114
From all other countries:
105 Sparks Ave., Toronto, ON, M2H 2S5, CANADA
10
R1 – 5.11
NEWCON OPTIK Printed in Canada
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