The phrase "film era" refers to a period of time when movies were primarily made using physical motion picture films. It denotes a time before the widespread use of digital technology in filmmaking. Full definition
Yet at it's core you can see the film constantly tipping its hat to the silent film era. (keithandthemovies.com)
And here's an indie - film era look at what their lives are like. (seattletimes.com)
While zombie movies can be traced back to the 1930s, the modern zombie film era is generally accepted to have begun with George A. Romero's Night of the Living Dead (1968). (waytooindie.com)