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You will find that additional accessories for your Omni telescope will enhance your viewing pleasure and
expand the usefulness of your telescope. This is just a short listing of various accessories. Visit the Celestron
website for complete and detailed accessories available.
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 several Barlow lenses in the 1-1/4"
size. The 2x Ultima Barlow (# 93506) is a compact triplet design that is fully multicoated for maximum light
transmission. The Omni Barlow (# 93326) is a compact achromatic Barlow lens that is less than three inches
long and weighs only 4 oz. and it works very well with all Celestron eyepieces.
Collimation Eyepiece 1 ¼” – # 94182 -- The collimation eyepiece is ideal for precise collimation of Newtonian
telescopes and helpful for aligning Schmidt-Cassegrains. This special eyepiece fits into 1 ¼” focusers and
diagonals.
Eyepieces - Like telescopes, eyepieces come in a variety of designs. Each design has its own advantages and
disadvantages. Below are just some of the eyepieces 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 are most appreciated. X-Cel
eyepieces come in the following focal lengths in 1 ¼” barrels: 2.3mm, 5mm,
8mm, 10mm, 12.5mm, 18mm, 21mm, and 25mm.
Filters Sets, Eyepiece -- 1 ¼”- Celestron offers four convenient filter sets, which
contain four different filters per set. Not only are these highly useful filter
combinations, but they also are an economical way to add versatility to your filter
collection.
Series 1 – # 94119-10
Orange, Light Blue, ND13%T, Polarizing (#s 21, 80A, #15, Polarizing)
Series 2 – # 94119-20
Deep Yellow, Red, Light Green, ND25% T (#s 12, 25, 56, 96ND-25)
Series 3 – # 94119-30
Light Red, Blue, Green, ND50% T (#s 23A, 38A, 58, 96ND-50)
Series 4 – # 94119-40
Yellow, Deep Yellow, Violet, Pale Blue (#s 8, 47, 82A, 96ND-13)