documentary are, in effect, taken inside the
eyecup of the camcorder viewfinder so they can vicariously experience the making of a documentary.
Kaynak: Through the Viewfinder photographyThe F-1s eyepiece was threaded and could take a metal (later soft rubber covered) ring, an
eyecup or several different diopter adjustment
Kaynak: Canon F-1Other accessories from Leica include a rubber
eyecup, right-angle finder, diopter correction lenses, cases, straps, tripods, cable
Kaynak: Leica R8-R9and can be driven in all possible axes, up to at least 70°, of movement by eight individual
eyecup muscles divided into six functional groups.
Kaynak: Mantis shrimp