Olympus 8x25 WP II User Manual
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INFORMATION | ICONS
General Use Camping/
Hiking
Boating Travelling
Bird
Watching
Sports/
Events
Theatre/
Indoor Events
Astronomy
RECOMMENDED USE ICONS
Protection of ultraviolet rays.
Wide-angle for a wider view.
Binoculars with zoom function bring the
subject even closer. OLYMPUS offers,
depending on model, 8-16x or 10-30x zoom.
Precisely ground prisms and lenses made
of brightness-enhancing barium crown
glass (BaK-4) ensure clarity and brightness
to the very edge of the fi eld of view.
OLYMPUS offers an extensive range of
high-quality binoculars with BaK-4.
Waterproof binoculars can be submerged
to a depth of 1 metre for up to 5 minutes.
UV protection
Wide
Waterproof
Zoom
BaK-4
SPECIFICATION ICONS
OLYMPUS QUALITY
HIGH-GRADE OPTICAL COMPONENTS
The key criterion for excellent sharpness, contrast and
light intensity is the quality of the prisms and lenses.
OLYMPUS lenses are a world-renowned trademark
and synonymous with optical precision.
OLYMPUS guarantees you and your customers
outstanding quality. High-grade optical materials
and components provide decades of pleasure using
your binoculars - which is why we give users across
Europe a 25-year guarantee.
GUARANTEED QUALITY
OLYMPUS QUALITY
Most of the OLYMPUS binoculars use multi-coated lenses
which prevent loss of light and sharpness caused by
refl ections.
MULTI-COATED LENSES
Most OLYMPUS binoculars are equipped with long eye relief
and adjustable eyepieces for more comfortable viewing.
n
Diopter adjustment for comfortable viewing
without glasses.
n
All OLYMPUS binoculars come complete with a case,
neckstrap and protective lens covers.
OLYMPUS STANDARD
BINOCULAR BASICS
MAGNIFICATION: A magnifi cation of factor 8, for
example, produces an image as if one were 8 times
closer to the object. The less the magnifi cation factor
is, the more comfortable the viewing is.
OBJECTIVE LENS DIAMETER: The diameter of
the objective lens determines how much light can be
gathered to form an image. For daytime use a lens
diameter of 21mm-25mm is recommended, but for
low light conditions 35mm-50mm may be necessary.
The angle of view is measured in degrees and indicates how
large the viewable fi eld is. The fi eld of view is defi ned as the
width of the viewable fi eld at a distance of 1000m from the
point of observation.
* Fully multi-coated: Each lens is multi-coated
* Multi-coated: One lens is multi-coated, other lenses are mono-coated
* Fully-coated: Each lens is mono-coated
ANGLE OF VIEW | FIELD OF VIEW
BINOCULAR BASICS
The exit pupil is the diameter of the light image visible
through the eyepiece. The exit pupil is calculated by dividing
the objective lens diameter by the magnifi cation factor.
An exit pupil of 2-3mm is adequate for daytime use, though
where there is less light you will need binoculars with an exit
pupil of 5 to 7mm, e.g. 8x42 binoculars: 42 divided by
8 = 5.3 exit pupil in mm.
EXIT PUPIL
An overview about the most important features. Example: The
description 10x42 EXPS I means that this model offers 10x
magnifi cation and that the objective lens diameter is 42mm.
HOW TO READ THE NUMERICAL INFORMATION
CODE FOR BINOCULARS
10x42 EXPS I
Magnifi cation Objective lens diameter
BINOCULAR BASICS
EYE RELIEF: The eye relief is the distance from the rear
eyepiece lens to the eye point. A long eye relief provides
a comfortable view and ease of use without image
black-out for users without glasses as well as users who
wear glasses. Insuffi cient eye relief results in a loss of fi eld
of view. For users who wear glasses an eye relief with
minimum 14mm is recommended.
Porro Prisms: Large
lenses produce needle-
sharp, razor-dimensional
images of brilliant quality.
Roof Prisms: The light
is focused directly on
the eyepiece. These
binoculars can therefore
be made lighter and
more compact.
PRISM TYPE
PORRO PRISMS ROOF PRISMS
BINOCULARS
COLLECTION 2012
MODEL
10x42
EXWP I
8x42
EXWP I
12x50
EXPS I
10x42
EXPS I
8x42
EXPS I
10x50
DPS I
8x40
DPS I
7x35
DPS I
8-16x40
ZOOM
DPS I
10-30x25
ZOOM
PC I
8-16x25
ZOOM
PC I
12x25
PC I
10x25
PC I
8x25
PC I
10x25
WP II
8x25
WP II
10x21
DPC I
8x21
DPC I
10x21
RC II
WP
8x21
RC II
WP
10x21
RC II
8x21
RC II
Magnifi cation 10x 8x 12x 10x 8x 10x 8x 7x 8-16x 10-30x 8-16x 12x 10x 8x 10x 8x 10x 8x 10x 8x 10x 8x
Objective Lens
Diameter (mm)
42 42 50 42 42 50 40 35 40 25 25 25 25 25 25 25 21 21 21 21 21 21
Exit pupil 4.2 5.3 4.2 4.2 5.3 5 5 5 5.0-2.5 2.5-0.8 3.1-0.8 2.1 2.5 3.1 2.5 3.1 2.1 2.6 2.1 2.6 2.1 2.6
Relative Brightness 18.0 28.0 18.0 18.0 28.0 25.0 25.0 25.0 25-6.3 6.3-0.7 9.8-2.4 4.3 6.3 9.8 6.3 9.8 4.4 6.9 4.4 6.8 4.4 6.8
Actual fi eld of view 6.0° 6.3° 4.6° 5.5° 6.5° 6.5° 8.2° 9.3° 5.0°-3.4° 3.2°-1.9° 4.5°-2.9° 4.5° 5.5° 6° 6.5° 6.2° 5.0° 6.4° 5.1° 6.3° 5.1° 6.3°
Field of view
at 1000m (m)
105 110 80 96 114 114 143 162 87-59 56-33 79-51 79 91 105 114 108 97 112 89 110 89 110
Apparent Angle
of View
60.0° 50.4° 55.2° 55.0° 52.0° 65.0° 65.6° 65.1° 40.0°-54.4° 32.0°-57.0° 36.0°-46.4° 54.0° 52.0 48.0° 65° 49.5° 50.0° 51.2° 51° 50.4 50.0° 49.6°
Near Focus Distance (m) 3 3 4 4 4 6 4 3 10 5 5 3.5 2.5 2.5 1.5 1.5 2.5 2.2 3 3 3 3
Eye relief (mm) 15 18 18 18 18 12 12 12 10-12 15-8 15-12 16 15 16.5 12 15 11 11 10 12 9.5 11.5
Adjustable Eyepiece
Dioptric Correction >± 2m¹ >± 2m¹ >± 2m¹ >± 1m¹ >± 2m¹ >± 2m¹ >± 2m¹ >± 2m¹ >± 2m¹
Eye interval adjustment
range (mm)
60-70 60-70 60-70 60-70 58-70 35-73 60-70 37-72 37-72
Weight in g 660 650 910 785 780 855 710 650 790 315 315 280 280 280 270 260 170 170 215 215 185 185
W (mm) 129 129 192 187 187 191 182 180 182 114 114 114 114 114 114 114 107 107 107 107 106 106
H (mm) 145 145 163 130 130 178 139 119 152 111 111 98 98 98 115 115 82 82 88 88 88 88
D (mm) 53 53 62 57 57 63 58 58 58 48 48 48 48 48 45 45 41 41 38 38 38 38
Type Roof Porro Porro Porro Roof Porro Roof Roof
BaK-4
Fully multi-coated*
Multi-coated*
Fully-coated*
UV protection
Waterproof
Zoom
Wide
Rubberized coating
Olympus Europa Holding GmbH
www.olympus-europa.com
Bino-Leporello_Bogen_final.indd 1 05.12.2011 16:49:01
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Summary of Contents
Page 1 - BINOCULARS
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BINOCULARS | COLLECTION 2012 LEISURE | NATUREDPS I SERIESFOR NATURE ENTHUSIASTSn Wide-angle fi eld of view for fast moving subjectsn Rugged, high-quali
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