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» Support Center » Knowledgebase » What eyepiece size or diameter is used with my LCM?
 What eyepiece size or diameter is used with my LCM?
Answer Astronomical eyepieces are described by the diameter of the base tube or barrel and come in several standard diameters. This is not to be confused with the focal length of individual eyepieces. The eyepiece diameter for your scope is important to know when purchasing other accessories, too, such as filters. 

All LCMs use the standard size for eyepiece barrels today, the 1.25-inch or 1-1/4-inch. There are many different designs and focal lengths available from many manufacturers. Almost all accessories that fit into focusers are available in the 1-1/4-inch size. Almost all Celestron telescopes use 1-1/4-inch eyepieces.

Article Details
Article ID: 2306
Created On: Oct 29 2009 01:26 PM

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