Pair of Leica HC Plan 10X microscope eyepieces with 25mm field of view.  These eyepieces are from the Leica DMR microscopes, but will work on any microscope that will accept a 30mm diameter eyepiece.  Both eyepieces have a diopter adjustment.  They are in perfect optical, mechanical, and cosmetic condition with no significant scratches, fungus, dust or element separations.  The Leica part number is 507805 with a list price of $562.00 each.