These are new, Long Perng E4Z-A zoom spotting scope eyepieces. They designed with 4 elements in 3 groups, have a rubber turn-slide and thread directly to spotting scopes. These are not made for astronomical telescopes. They will come with one of various brand names inscribed as well as the 7.5-28mm ZOOM inscription. These are new and boxed. Buy these at a fraction of the original cost for only $19!