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Reducer/Corrector (# 94175) - This lens reduces the focal length of the SCT telescope by 37%, making your
Omni XLT127 a 788mm f/6.3 instrument. In addition, this unique lens also
corrects inherent aberrations to produce crisp images all the way across the field
when used visually. When used photographically, there is some vignetting that
produces a 26mm circular image on the processed film. It also increases the field
of view significantly and is ideal for wide-field, deep-space viewing. It is also
perfect for beginning prime focus, long-exposure astrophotography when used
with the radial guider. It makes guiding easier and exposures much shorter.
Sky Maps (# 93722) - Celestron Sky Maps are the ideal teaching guide for learning the night sky. You
wouldn’t set off on a road trip without a road map, and you don’t need to try to navigate the night sky without a
map either. Even if you already know your way around the major constellations, these maps can help you
locate all kinds of fascinating objects.
T-Adapter (# 93633-A) - T-Adapter (with additional T-Ring) allows you to attach your SLR camera to the rear
cell of your Schmidt-Cassegrain telescope. This turns your telescope into a high power telephoto lens perfect
for terrestrial photography and short exposure lunar and filtered solar photography.
T-Ring - The T-Ring couples your 35mm SLR camera body to the T-Adapter, radial guider, or tele-extender.
This accessory is mandatory if you want to do photography through the telescope. Each camera make (i.e.,
Canon, Nikon, Pentax, etc.) has its own unique mount and therefore, its own T-Ring. Celestron has 8 different
models for 35mm cameras.
Tele-Extender, Deluxe (# 93643) - The tele-extender is a hollow tube that allows you to attach a camera to the
Schmidt-Cassegrain telescope when the eyepiece is installed. This accessory is used for eyepiece projection
photography which allows you to capture very high power views of the Sun, Moon, and planets on film. The
tele-extender fits over the eyepiece onto the visual back.
UHC/LPR Filter 1 ¼” (# 94123) - 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.
A full description of all Celestron accessories can be found in the Celestron Accessory Catalog (# 93685-08)