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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.
AC Adapter (#18779) – 2.5amp, AC adapter for use with the CGEM and CGE Pro telescopes.
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. 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. The OMNI Barlow (#93326) 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.
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. The 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: 4mm, 6mm,
9mm, 12.5mm, 15mm, 20mm, 25mm, 32mm and 40mm.
X-Cel - This 6 element design allows each X-Cel Eyepiece to have 20mm of eye relief, 55°
field of view and more than 25mm of lens aperture (even with the 2.3mm). In order to
maintain razor sharp, color corrected images across its 55° field of view, extra-low
dispersion glass is used for the most highly curved optical elements. The excellent refractive
properties of these high grade optical elements, make the X-Cel line especially well suited
for high magnification planetary viewing where sharp, color-free views
appreciated. X-Cel eyepiece come in the following focal lengths: 2.3mm, 5mm, 8mm,
10mm, 12.5mm, 18mm, 21mm, 25mm.
Filters Sets, Eyepiece - Celestron offers four convenient filter sets, which contain four different filters per set. Not only are
these highly useful filter combinations, but they also offer an economical way to add versatility to your filter collection.
• Ultima LX –Celestron Ultima LX Series parfocal eyepieces feature wide fields of view for
high and low magnifications. 70 º field of view for high and low magnifications and extendable
twist-up eyecups - Good for eyeglass wearers. Available in the following focal lengths: 5mm,
8mm, 13mm, 17mm, 22mm, and 32mm.
• Axiom – Celestron Axiom LX Series parfocal eyepieces
feature scratch resistant, high end design and 80 º fields of view for high and low magnifications.
.Retractible eyecups for ultra-low profile viewing, idea for eyeglass wearers. Available in the
following focal lengths: 7mm, 10mm, 15mm, 19mm, 23mm, and 31mm.
are most
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