Table of Contents
Advertisement
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.
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 CPC. 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.
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.
X-CEL - Fully Multi-coated. All air-to-glass surfaces have 5 layer multi-coating. Field of view
•
55°. Six element optical design using ED glass on most curved elements. Parfocal – little to no
focusing adjustments are needed when switching from a low power to high power eyepiece.
20mm eye relief and soft rubber eyecups. Blackened lens edges to minimizes internal reflection
and improved contrast. Each eyepiece comes in a durable plastic case.
• Ultima - Ultima is our 5-element, wider field eyepiece design. In the 1-1/4" barrel diameter,
they are available in the following focal lengths: 5mm, 7.5mm, 10mm, 12.5mm, 18mm, 30mm, 35mm, and 42mm. These eyepieces
are all parfocal. The 35mm Ultima gives the widest possible field of view with a 1-1/4" diagonal.
• Axiom – As an extension of the Ultima line, a new wide angle series is offered – called the Axiom series. All units are seven element
designs and feature a 70º extra wide field of view ( except the 50mm). All are fully multicoated and contain all the feature of the
Ultimas.
Eyepiece, Micro Guide (#94171) - This multipurpose 12.5mm illuminated reticle can be used for guiding
deep-sky astrophotos, measuring position angles, angular separations, and more. The laser etched reticle
provides razor sharp lines and the variable brightness illuminator is completely cordless. The micro guide
eyepiece produces 224 power when used with the CPC 11 at f/10 and 163 power with the CPC 8.
Filters, Eyepiece - To enhance your visual observations of solar system objects, Celestron offers a wide
range of colored filters that thread into the 1-1/4" oculars. Available individually are: #12 deep yellow, #21
orange, #25 red, #58 green, #80A light blue, #96 neutral density - 25%T, #96 neutral density - 13%T, and
polarizing. These and other filters are also sold in sets.
Flashlight, Night Vision - (#93588) - Celestron's premium model for astronomy, using two red LED's to
preserve night vision better than red filters or other devices. Brightness is adjustable. Operates on a single 9 volt battery (included).
Light Pollution Reduction (LPR) Filters - These filters are designed to enhance your views of deep sky astronomical objects when
viewed from urban areas. LPR Filters selectively reduce the transmission of certain wavelengths of light, specifically those produced by
artificial lights. This includes mercury and high and low pressure sodium vapor lights. In addition, they also block unwanted natural
light (sky glow) caused by neutral oxygen emission in our atmosphere. Celestron offers a model for 1-1/4" eyepieces (#94123) and 2"
eyepieces (#94124)
46
Advertisement
Table of Contents
