Celestron Cosmos User manual
BINOCULARS | JUMELLE
BINOCULARES | FERNGLAS
BINOCOLI
ENGLISH......................................................2
FRANÇAIS....................................................12
ESPAÑOL.....................................................22
DEUTSCH.....................................................32
ITALIANO.....................................................42
WELCOME
Thank you for purchasing Celestron COSMOS™Tree of Life binoculars. COSMOS™introduced us
to the abundant, natural beauty of the universe we live in. We hope that these binoculars help you
continue to discover your world.
There’s no better way to appreciate nature, wildlife, or landscapes than with a pair of binoculars.
We can view subtle details, like the petals of wildflowers, or massive geological features like the
jagged edges of a distant mountain. Binoculars also help us observe the behavior of wildlife from
a safe distance, without disturbing the animals. With your Tree of Life binoculars, you can study
birds, deer, insects, reptiles, and more. Try taking your binoculars out at night to reveal unseen
details in the night sky, craters on the Moon and the Orion Nebula.
Get ready to see a new world impossible to discern with the naked eye. Your explorations begin now!
ENGLISH
2 IENGLISH
CELESTRON COSMOS™ TREE OF LIFE BINOCULARS
Objective Lens
Caps
Rainguard
Fig. 1
WARNING: Viewing the Sun may cause permanent eye damage. Do not
view the Sun with your binoculars or even with the naked eye.
Eyecup
Eyepiece
Focus
Wheel
Objective
Lens
Diopter
Adjustment
Logo Plate / Tripod Adapter Thread
(42 mm only)
ENGLISH I3
The interpupillary distance, or the distance
between the pupils, varies from person to
person. The binocular must be correctly aligned
(adjusted) to the distance between your pupils
to achieve a single, clear image. To adjust this
distance, lift the binocular up to your eyes (using
both hands) and look through them at an object
in the distance. Move the two barrels (halves)
of the binocular closer together or further
apart until you see a single, clear image (Fig. 2).
Check that the interpupillary distance is set
correctly every time you use your binocular.
ADJUSTING THE INTERPUPILLARY DISTANCE (IPD)
Fig. 2
4 IENGLISH
To ensure a crisp, sharp image the focusing
system of the binocular must be set to
compensate for any differences in your
eyesight. This is achieved by setting the diopter
(located on the right eyepiece) before use. To
set the binocular to your eyesight follow the
instructions below.
1. View an object in the distance through the
binocular.
2. Cover the right objective lens with your hand
or the objective lens cap.
3. Rotate the focus wheel until the image
viewed with your left eye is clear and sharp.
4. Cover the left objective lens with your hand
or objective lens cap.
5. Viewing the same object, adjust the diopter
ring until the image viewed with your right
eye is clear and sharp.
6. Your binocular is now adjusted to your eyes
and focusing on any object can now be
achieved by simply turning the focus wheel.
TIP: Eyeglasses worn for nearsightedness should be worn when using
binoculars as you may not be able to obtain focus at infinity
without them.
Diopter
Adjustment
Ring
Focus Wheel
Fig. 3
SETTING THE DIOPTER / FOCUSING
ENGLISH I5
EYECUP ADJUSTMENT
The COSMOS™Tree of Life feature twist-up
eyecups to accommodate both eyeglass and
non-eyeglass wearers. If you do not wear
eyeglasses, twist the eyecups counterclockwise
until they reach the up position. If you wear
eyeglasses, make sure that the eyecups are in
the down position to obtain the maximum field
of view. The eyecups can be set at positions
between fully up and down which may suit
some users better.
Fig. 4
6 IENGLISH
TRIPOD ADAPTABILITY
The 42 mm version of the COSMOS™Tree
of Life binocular features built-in threads that
allow the binocular to be attached to a tripod
using a binocular tripod adapter. These threads
can be accessed by unscrewing the logo plate
found on the front of the hinge (Fig. 5).
To attach the binocular to a tripod, thread the
adapter into the binocular and attach the other
end of the adapter to a photographic tripod.
Mounting the binocular on a tripod allows for
added stability and comfort during prolonged
viewing.
Fig. 5
WATERPROOF / FOGPROOF
The COSMOS™Tree of Life binoculars are
waterproof and filled with dry nitrogen gas to
prevent the housing from fogging internally.
ENGLISH I7
CARE AND STORAGE
Your Celestron binocular will provide you years
of dependable service if it is cared for and
stored properly.
1. Protect the binocular from impact and do not
force any of the moving parts beyond their
limits.
2. Protect the optics of your binocular by
putting on all lens caps when not in use.
3. Store your binocular in a cool, dry place
whenever possible.
4. When storing for an extended period of time,
place the binocular in a plastic bag or airtight
container with a desiccant.
5. Do not leave the binocular in a car on a hot/
sunny day or near anything that generates
heat as this may cause damage.
6. Clean any dust, dirt or water that may get
on the binocular or inside moving parts as
soon as possible to prevent any unforeseen
damage.
8 IENGLISH
SERVICE AND REPAIR
If warranty problems arise or repairs are
necessary, contact the Celestron customer
service department if you live in the United
States or Canada. If you live outside of these
countries, please contact the dealer you
purchased your binocular from or the Celestron
distributor in your country. A list of our
distributors can be found on our website,
www.celestron.com
CLEANING
Proper cleaning of the lenses is essential
to maintaining the optical integrity of your
binocular. Dirty lenses diminish the amount of
light transmitted through the binocular and your
overall viewing experience.
1. Remove any dust on the lenses with a soft
lens brush or can of pressurized air.
2. Remove any fingerprints, stains or smudges
from the lens surface with a soft, clean lens
cloth or lens tissue by rubbing in a circular
motion. Start in the middle of the lens and
work your way to the edges. Breathe lightly
on the lens to provide moisture if needed.
3. For a more thorough cleaning we recommend
the use of a lens/optics cleaning kit available
at most photo or optical shops. Follow the
directions supplied with the cleaning kit for
best results.
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