The previous page is sending you to https://geo.libretexts.org/Bookshelves/Geology/Mineralogy_(Perkins_et_al.)/05%3A_Optical_Mineralogy/5.04%3A_Petrographic_Microscopes/5.4.01%3A_The_Components_of_a_Microscope.

 If you do not want to visit that page, you can return to the previous page.