Conforms to and meets the
Transmission Requirements
of ISO 12312-2, Filters for
Direct Observation of the Sun
Instruction Manual
MODE LS # 71237, 71238
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Solar Binoculars
CELESTRON ECLIPSMART BINOCULARS
Thank you for your purchase of the Celestron EclipSmart binocular. We are confident it
will bring you many years of enjoyable solar observation. As this EclipSmart binocular
is a very specialized optical instrument, please read these instructions on its use and care
before using it.
IMPORTANT SAFETY NOTE: If done incorrectly, direct observation of the Sun
can be harmful to your vision. Never look directly at the Sun without using equipment
specially designed and tested for that purpose. Celestron’s EclipSmart binoculars
meet and conform to the ISO 12312-2 International Standard for safe direct visual
observation of the Sun. EclipSmart binoculars should not be used for solar observation
if the objective filters have been damaged, tampered with, or removed.
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Solar Binoculars
SET-UP AND USE OF YOUR CELESTRON ECLIPSMART BINOCULAR
Because of its built-in solar filters, nothing less bright than the sun as seen from Earth
should be able to be seen through an EclipSmart binocular. If you can see anything
other than the Sun through these binoculars, do not attempt solar viewing with them
and contact Celestron’s customer service department.
SET-UP
1. Adjusting the Interpupillary Distance (IPD)
Since the distance between the eyes (specifically,
the distance between the centers of the pupils)
varies among individuals, the two eyepieces of the
binoculars must be correctly aligned (adjusted).
This is called adjusting the interpupillary distance.
To adjust this distance, lift the binoculars up to your
eyes (using both hands) and move the two halves
of the binoculars by flexing the hinge until both eyes
seem to be fully covered by the eyepieces.
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Solar Binoculars
2. Adjusting Diopter
EclipSmart binoculars feature a diopter
compensation adjustment mechanism on the right
eyepiece for sharpest focus. If you do not wish
to make an initial diopter correction adjustment,
simply check to make sure the indicator on the right
eyepiece is set to the “zero” mark prior to use.
3. Positioning the Rubber Eyecups
Leave the rubber eyecups up if you do not wear
eyeglasses, but fold them down if you do wear
eyeglasses to obtain the maximum field of view.
Diopter
Adjustment Ring
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Solar Binoculars
1. Positioning the Binocular
Take up the binocular in both hands and with your view downward toward the ground
in front of you, turn your body so that you are facing the direction of the Sun. Place
the binocular eyecups in front of your eyes so that they are both completely covered.
Then, keeping the eyecups of the binocular squarely in front of your eyes, raise your
head until the solar disk appears in the binocular’s field of view. If the solar disk is
not immediately apparent in the field of view, slowly scan with the binocular until it
becomes apparent. AT NO TIME REMOVE THE ECLIPSMART BINOCULAR FROM
IN FRONT OF YOUR EYES WHILE YOUR GAZE IS DIRECTED TOWARD THE SUN.
USE
Unlike standard binoculars, in order to keep your eyes protected, proper use of
the EclipSmart binocular requires that you position your eyes behind the eyecups
BEFORE raising them into position to view the Sun.
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