Vista
™
Binoculars
Care and Use
Vista
™
Series Binoculars
Congratulations on your purchase of a precision Orion
Vista
™
binocular. With proper care and use it will provide
many years of superb, enjoyable viewing. To get the most
out of your binocular, please read the f ollo wing instructions.
W arning: Ne v er look at the Sun with binoculars or any other
optical instrument. Severe and permanent eye damage
could result.On sunny da ys, children should use binoculars
only with adult supervision.
Adjusting for the Distance
Between Your Eyes
The distance between the eyepiece lenses of the binocular
should be adjusted to match the distance between your
eyes, called the “interpupillary distance.” To adjust the
binocular, hold each barrel firmly; move them together or
apart while looking through the binocular with both eyes
until you see a single, round field. Make this adjustment
before focusing.
Focusing
Vista binoculars feature a convenient center focusing knob .
However, because your eyes may differ slightly in their
focus , the binocular also includes a right ey e diopter adjustment. Follow this method for focusing:
With both eyes open, rotate the right eyepiece to the full
counterclockwise position, then sight on a distant subject.
Cover the right objective (front) lens with your hand. Turn
the center focusing knob until the image in the left e yepiece
is sharp. Now cover the left objective lens and focus the
right side by rotating the right eyepiece (do not adjust the
center focusing knob) until the image is sharp.The binocular is now f ocused for your eyes .Make a note of the diopter
setting so you can return to it quickly in the future.With the
right eyepiece no w set, focusing is achieved by rotating the
center knob.
Rubber Eyeguards
Vista binoculars feature rubber eyeguards designed to
bloc k out stray light and allo w easier positioning of the eyes
for viewing. When using the binocular without eyeglasses,
we recommend leaving the eyeguards in the extended (up)
position. For viewing with eyeglasses on, you’ll see more of
the field of view b y retracting the e y eguards .The ey eguards
on the 8x42 and 10x50 Vista retract by folding them back.
The eyeguards on the 7x50 model are the pop-down type.
These are retracted by pressing the rubber down on one
side of the ey eguard and then sliding y our fingers around to
the opposite side while applying downward pressure.
Mounting Your Binoculars
on a Tripod
For steadier or extended viewing, you can mount your
Vista
™
binocular on any standard camera tripod by means
of an optional L-bracket adapter (available from most
binocular dealers). Unscrew the small cap bearing the
white tripod symbol located at the front of the center shaft,
between the two binocular barrels. Removing this cap
reveals a 1/4"-20 threaded hole. Thread the bolt of the Lbrack et into the hole .The base of the L-brac k et is threaded
onto the tripod itself.
Cleaning and Care
Although your Vista™binocular is rubber covered, it is not
waterproof! Avoid exposure to excessive moisture.
The lens surfaces of y our binocular are vacuum-co vered with
antireflection coatings that can be damaged with careless
handling. Avoid touching lens surfaces with your fingers or
any course material. Clean the lenses about twice a year, or
more frequently if they get noticeably dirty. The dust that
builds up on them promotes mold growth, which etches the
glass and destroys the coatings. Always use lens cleaning
tissue and fluid designed specifically for m ulti-coated lenses .
Do not use tissue or fluids made for eyeglass or household
use.
To clean the binoculars, first puff air on the lens with a
blow er b ulb or compressed air to remov e an y large particles.
Then it’ s a good idea to brush the lens with a soft lens brush.
Next, put two drops of lens cleaning fluid on a sheet of lens
tissue (never directly on the lens). Wipe the lens gently in a
circular motion, taking care to avoid undue pressure or rubbing. Quickly remove the excess fluid with a clean, dry lens
tissue. On larger lenses, clean only a small area at a time,
using a fresh lens tissue on each area.
If dirt accumulates on an interior lens surface , do not attempt
to disassemble the housing and clean the lens y ourself.Tak e
the binocular to a qualified optical repair technician.
Storage and Cold Weather
All optics, when exposed to excessive temperature changes
or high humidity, have the potential to fog up. In cold weather
always allow the optics to adjust slowly to the outdoor temperature for a few hours prior to use by storing the binocular
(in its case) in a cool area such as an unheated garage or the
trunk of a car. Before bringing the binocular back inside a
warm house after use, store it in a cool area for one to two
hours. It is impor tant to then open up the case, remove the
binocular, take off the lens caps, and let everything dr y out
ov ernight.Store the instrument in a cool, dry place; storage in
a humid environment will result in mold growth and ruined
optics.This is not covered by the warranty.
Repair
If your Vista binocular should require internal cleaning, optical alignment, or other repairs, return it to Orion (if under
warranty) or tak e it to a qualified optical repair shop for service. Never disassemble the binocular yourself. Doing so
may disturb the precision optical alignment and will void
your warranty.
Specifications
8x42 Vista
Magnification 8x
Objective lens aperture 42mm
Exit pupil 5.2mm
Eye relief 18mm
Field of view 6.5° / 341 ft. @ 1000 yds.
Close focus 12 ft.
Prisms BAK-4, Porro
Antireflection coatings Fully multi-coated
Eyeguards Roll-back, rubber
Tripod Adaptable Yes
Weight 22 oz.
7x50 Vista
Magnification 7x
Objective lens aperture 50mm
Exit pupil 7.1mm
Eye Relief 22mm
Field of view 6.0° / 315 ft. @ 1000 yds.
Prisms BAK-4, Porro
Antireflection coatings Fully multi-coated
Eyeguards Pop-down, rubber
Tripod Adaptable Yes
Weight 28 oz.
10x50 Vista
Magnification 10x
Objective lens aperture 50mm
Exit pupil 5mm
Eye relief 16mm
Field of view 5.3° / 278 ft. @ 1000 yds.
Prisms BAK-4, Porro
Antireflection coatings Fully multi-coated
Eyeguards Roll-back, rubber
Tripod Adaptable Yes
Weight 28 oz.
BINOCULAR LIMITED WARRANTY
Orion
®
Vista
™
Series
Binocular
s
This binocular is warranted to be free of defects in materials
and workmanship for a period of 20 Years. This warranty is f or
the benefit of the original retail purchaser only. During this
warranty period Orion Telescopes & Binoculars will repair or
replace, at Orion’s option, any warranted instrument that
proves to be defective provided it is returned postage paid to
Orion Warranty Repair, 89 Hangar Way, Watsonville, CA
95076. If your product is not registered, proof of purchase
(such as a copy of the original invoice) is required.
This warranty does not apply if, in Orion’s judgment, the
instrument has been abused, mishandled, self-repaired, or
modified, nor does it apply to normal wear and tear.This warranty gives you specific legal rights, and you may also have
other rights, which vary from state to state. For further warranty service information, contact Customer Service, Orion
Telescopes & Binoculars, P.O. Box 1815, Santa Cruz, CA
95061; phone (800) 676-1343.
IN 071 0197
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