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You will find that additional accessories enhance your viewing pleasure and expand the usefulness of your
telescope. For ease of reference, all the accessories are listed in alphabetical order.
Adapter AC (#18773)
- Allow DC (battery powered) telescopes to be converted for use with 120 volt AC power.
Adapter, Car Battery (#18769) -
Celestron offers the Car Battery Adapter that allows you to run the NexStar
drive off an external power source. The adapter attaches to the cigarette
lighter of your car, truck, van, or portable power supply.
Barlow Lens - A Barlow lens is a negative lens that increases the focal
length of a telescope. Used with any eyepiece, it doubles the magnification
of that eyepiece. Celestron offers two Barlow lens in the 1-1/4" size for the
NexStar. The 2x Ultima Barlow (#93506) is a compact triplet design that is
fully multicoated for maximum light transmission and parfocal when used
with the Ultima eyepieces. Model #93507 is a compact achromatic Barlow
lens that is under three inches long and weighs only 4 oz. It works very well
with all Celestron eyepieces.
Carrying Case (#302070) - This rugged case is constructed of space age resin, making it waterproof,
unbreakable, airtight and extremely durable. It’s designed so your telescope can be packed with the standard
finderscope in place, a convenience you’ll be sure to appreciate. The case is lined with die cut foam for custom
fitting. It features large handles and is equipped with wheels, for easy transportation. Weight: 17 lbs. (31.5"x
21.75"x 11.5").
CD-ROM (#93700) - Celestron and Software Bisque have joined together to present this comprehensive CD-
ROM called The Sky™ Level 1 - from Celestron. It features a 10,000 object database, 75 color images,
horizontal projection, custom sky chart printing, zoom capability and more! A fun, useful and educational
product.
CN16 GPS Accessory (#93963) - Plug in this 16-channel GPS module into your
telescopes drive base port to link up and automatically download information from
one of many global positioning satellites.
Erect Image Diagonal (#94112-A) - This accessory is an Amici prism arrangement
that allows you to look into the telescope at a 45° angle with images that are
oriented properly (upright and correct from left-to-right). It is useful for daytime,
terrestrial viewing.
Eyepieces - Like telescopes, eyepieces come in a variety of designs. Each design
has its own advantages and disadvantages. For the 1-1/4" barrel diameter there
are four different eyepiece designs available.
•
OMNI Plössl - Plössl eyepieces have a 4-element lens designed for low-
to-high power observing. All are fully multi-coated for maximum light
transmission. These Plössls offer razor sharp views across the entire field,
even at the edges! In the 1-1/4" barrel diameter, they are available in the
following focal lengths: 3.6mm, 6mm, 8mm, 10mm, 13mm, 17mm, 25mm,
32mm and 40mm.
• Ultima - Ultima is not really a design, but a trade name for our 5-element,
wide field eyepieces. In the 1-1/4" barrel diameter, they are available in the
following focal lengths: 5mm, 7.5mm, 12.5mm, 18mm, 30mm, 35mm, and
42mm. These eyepieces are all parfocal. The 35mm Ultima gives the