<B>Celestron Erect Image Prism for Refractor and Schmidt Cassegrain Review</b><P>http://tinyurl.com/ljufcky <P><P> Celestron Erect Image Prism for Refractor and Schmidt Cassegrain <P>Amici prism design allows you to look into the telescope at a 45-degree angle<P>Diagonal will allow you to use 1.25-inch eyepieces to obtain a larger field of view and better eye relief<P>
