- For the police sergeant by the same name, see Esper (policeman)
During his investigation, Deckard himself used one in his apartment to analyze photographs he had found in an apartment occupied by Leon Kowalski. Ray McCoy also had access to Esper machines both in his home and the police headquarters. He utilized these to examine photos he obtained during his investigations.
Ex-Blade Runner Joseph used an Esper machine in late 2032 to examine footage of a "Doll Hunt" filmed by Hayden Hooper. This was done to help Elle, a replicant who managed to survive the hunt and sought vengeance.
Behind the scenes
The 1982 presskit for Blade Runner describes the Esper:
- "A high-density computer with a very powerful three-dimensional resolution capacity and a cryogenic cooling system. The police cars and Deckard's apartment contain small models which can be channeled into the large one at police headquarters. This big apparatus is a well-worn, retro-fitted part of the furniture. Among many functions, the Esper can analyze and enlarge photos, enabling investigators to search a room without being there." Bryant briefs Deckard with the help of an esper and Deckard examines Leon's photos with one as well."