Celestron Skymaster pro User manual
BINOCULARS | JUMELLE | FERNGLAS | BINOCOLI | BINOCULARES
72033, 72034, 72035
ENGLISH ..................................2
FRANÇAIS ...............................17
DEUTSCH.................................31
ITALIANO..................................45
ESPAÑOL .................................59
ENGLISH
BINOCULARS
4 IENGLISH
Our team designed the Celestron SkyMaster Pro ED binocular to provide outstanding views of
astronomical objects. To ensure that you fully benefit from all the thought and work that has made this
binocular a reality, we encourage you to read these instructions carefully before using it.
We hope you enjoy using your new SkyMaster Pro ED binocular as much as we do.
(We’re avid astronomers, too, you know.)
WELCOME! THANK YOU FOR CHOOSING
THE CELESTRON SKYMASTER PRO ED BINOCULAR.
ENGLISH I5
PARTS OF THE SKYMASTER PRO ED BINOCULAR
Standard Eyecup
Logo Plate / Tripod Adapter Threads
Objective Lens
Diopter
Adjustment Ring
Focus Wheel
Eyepiece
Objective
Lens Caps
Rainguard
Standard
Eyecup
Eyepiece
Diopter Adjustment Ring
Focus Wheel
Center Support Rod
(20x80)
Tripod Adapter –
Built-In (20x80)
Objective Lens
6 IENGLISH
As 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 to your eyes (using
both hands) and look through them at a distant
object. Move the two barrels (halves) of the
binocular closer together or further apart until
you see a single, clear image. Check that the
interpupillary distance is set correctly every
time you use your binocular.
ADJUSTING THE INTERPUPILLARY DISTANCE
WARNING: Never look at the Sun with the naked eye or with
your binocular. Looking at the Sun can cause
permanent eye damage.
ENGLISH I7
TIP: If you wear eyeglasses for nearsightedness, you should wear them
when using binoculars. You may not be able to obtain focus at infinity
without them.
Whenever you begin using a new binocular
(or resume using a binocular after someone
else has been using it), ensure the diopter
compensation adjustment dial is set correctly
for your eyes. Once the dial is adjusted, you
will not need to adjust it again unless someone
changes the setting or unintentionally turns it
out of position.
To set the diopter compensation adjustment on
a SkyMaster Pro ED binocular:
1. Set the dial at the zero point by placing the
index mark on the diopter adjustment ring
opposite the zero or middle on the scale.
2. Use one of the binocular’s objective lens
covers to cover the right objective lens.
3. Select a distant stationary object such as a
tree or sign as your focusing target. Keeping
both eyes open, raise the binocular to your
eyes and center the selected focusing
target in the binocular’s field of view.
4. Still keeping both eyes open while viewing
the target, use the center focus dial to
bring the target into sharp focus in the left
eyepiece. Once the object is in focus, do not
SETTING THE DIOPTER
8 IENGLISH
Diopter
Adjustment Ring
Focus Wheel
adjust the center focus dial again until the
end of this process.
5. Lower the binocular and move the objective
lens cover to cover the left objective lens.
6. Still keeping both eyes open, find and view
the target again. This time, use the diopter
adjustment ring to bring the target into
sharp focus in the right eyepiece.
7. Lower the binocular and uncover the right
eyepiece. You should now be able to view
through both eyepieces and adjust focus
using the center focus dial while maintaining
the proper amount of compensation
between your two eyes.
If the diopter adjustment ring is ever moved,
repeat this process.
(You may be wondering why you kept both
eyes open even though you could only see
through one optical channel at a time. It’s
because when you close one eye, your visual
acuity in the other eye changes slightly due
to the intricate and complex arrangement of
muscles surrounding both eyes. By keeping
both eyes open, your vision is as it would be
during regular use of the binocular.)
Continued page 7.
ENGLISH I9
POSITIONING THE EYECUPS
The SkyMaster Pro ED features specially designed twisting eyecups that may be set at fully
retracted, mid-point, or fully extended positions. To position the eyecup, simply grasp it with your
thumb and forefinger and twist it clockwise until it reaches the next stopping point detent.
10 IENGLISH
ATTACHING FILTERS
Celestron SkyMaster Pro ED binoculars feature a 1.25” astronomical filter-compatible eyepiece
design. To attach a filter to an eyepiece:
lPosition the binocular’s eyecup in the fully retracted position.
lCarefully align the filter’s threads with the threads surrounding the eyepiece lens.
lTwist the filter gently so that the threads engage smoothly and continue turning until the filter
reaches a natural stopping point.
lRepeat the process with the other eyepiece.
For the most comfortable use of the binocular with filters mounted into the eyepieces, position the
eyecups in the fully extended positions so that the rims of the eyecups are higher than the top edge
of the filters.
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