Celestron 6x30 LER Long Eye Relief Finderscope Only 51602-B is achromatic finderscope with an extra wide 7ø field of view. LER 6 x 30 Celestron Finder Scope 's aluminum body is painted a glossy black color. Celestron 6x30 Finderscope 51602b is a particularly good choice for Celestron Dobsonian Telescopes ...