ripod Adapter Threads
SKYMASTER SERIES BINOCULARS
Thank you for purc
hasing Celestron binoculars! W e hope they bring you many years of enjoyment. T o maximize your experience with these binoculars, please read this instruction sheet
on use and care prior to using them.
. Adjusting the Interpupillary Distance (I PD)
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. T
o adjust this distance, lift the binoculars up to your eyes (using both hands) and look through them at an object
in the distance. Move the two halves of the binoculars about the hinge until you see one clear circle of image through both eyes.
2. Adjusting Focus
Since most people have a variance of vision from their left eye to their right eye, you must adjust the focusing system.
Use the following steps to achieve focus: (1) Close your right eye and look through the left side of the binoculars with
your left eye at the subject matter
. Rot ate the center focusing wheel until the image appears in sharp focus; (2) Close
your left eye and look through the right eyepiece (called the diopter). Rotate the right eyepiece until the image
appears in sharp focus; (3) Now look through both eyepieces with both eyes open. Since you’ve already adjusted
the right eyepiece, use only the center focusing wheel to refocus on a new object at a different distance.
: Y our binocular has a diopter indicator , please note the setting for later use for faster focus adjustment.
For Zoom Binocular models
---- T o increase or decrease power , move the zoom lever. T o adjust focus
you ﬁrst zoom the binoculars to the highest power and then adjust the focusing system as above.
Hint: Eyeglasses for nearsightedness should be worn when using binoculars as you may not be able to reach a sharp focus at inﬁnity without them.
Note for high power zooms:
The higher powers show greatly magniﬁed images for close-ups of objects when needed. However , keep in mind that the lower powers give you brighter and
sharper images with the widest ﬁeld of view
. Y ou may have to refocus when changing from low to high powers.
3. Set the Rubber Eyecups
Leave the rubber eyecups up if you do not wear eyeglasses and fold them down if you do wear eyeglasses to obtain the maximum ﬁeld of view. W
hen done observing,
fold the eyecups up for storage.
Now you are r
eady to use your binoculars --- enjoy the view!
Some binoculars feature a built-in tripod adapter ﬁtting. On these models, a threaded screw hole is underneath a cap. T
o attach a binocular tripod adapter , remove the cap and then
thread the screw from the binocular tripod adapter into the threaded screw hole. The other end of the binocular tripod adapter attaches to a photographic tripod (best results come from
heavy duty tripods). Mounting binoculars this way allows for added stability and comfort especially when viewing at high powers.
Some large aperture binoculars have a built-in tripod adapter as part of a reinforced bar to give the binocular added stability, on these binoculars the built-in tripod adapter attaches
directly to a heavy duty photographic/video tripod.
5. Care and Cleaning
Binoculars do not need routine maintenance other than making sure that the objective lenses
and eyepieces are kept clean. If repairs become necessary, they should be serviced by the
manufacturer or a qualiﬁed binocular repair company
. Collimation (optical alignment) is the
biggest concern with binoculars. If your binoculars are roughly handled or dropped, there is a
good chance that the collimation will be out and they should be serviced. Dirty objectives and/
or eyepieces mean less light transmission and loss of brightness as well as unsharp images.
Keep your optics clean! W
hen not using your binoculars store them in the case provided. Avoid
touching the glass surfaces, however if ﬁngerprints (whic
h cont ain mild acid) get on them, they
should be cleaned as soon as possible to avoid damaging the coatings. T
o clean the optical
surfaces, we recommend a lens/optics cleaning kit available at most photo or optical shops and
follow the instructions provided closely
. If you have a lot of dust or dirt accumulated, brush it off
gently with a camel’s hair brush and/or utilize a can of pressurized air before using the cleaning kit.
, you could use the Celestron LensPen made especially for cleaning binoculars. Never
attempt to clean your binoculars internally or try to take them apart!
iewing the sun may cause permanent eye damage. Do not view the sun with your SkyMaster
binoculars or even with the naked eye.
. Problems or Repair
If warranty problems arise or repairs are necessary, contact Celestron’s customer service
department if you live in the U.S.A. or Canada. If you live elsewhere, please contact the Celestron
dealer you purchased the binoculars from or the Celestron distributor in your country (listings on
the Celestron website).
our binocular has the Celestron Limited Lifetime W arranty for U.S.A. and Canadian customers. For complete details of eligibility and for warranty information on customers in other
countries visit the Celestron website.
celestron.com • 2835 Columbia Street • T
orrance, CA 90503 U.S.A. • T elephone: 1(8 00) 421-96 49
©2018 Celestron • All rights reserved. • 10-18
This product is designed and intended for use by those 14 years of age and older
Product design and speciﬁcations are subject to change without prior notiﬁcation.
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