8 mm

8 mm may refer to:

Film technology

• 8 mm film, an obsolete photographic cine film format principally intended for domestic use. The term may also refer to later variants:
  • Super 8 mm film
  • Single-8 film
  • 8 mm video format, a type of video recorder and tape that is primarily used in camcorders, including Video 8 and Hi 8
    • Digital8 video tape format

Firearms

• 8 mm caliber, ammunition with bullet in the 8 mm (.315 in) caliber range
  • 7.92×57mm Mauser "8 mm Mauser cartridge" – a rifle cartridge originating in Germany (though not designed by the Mauser company)

Other uses

• 8mm (band), pop-rock band from Los Angeles, California
• 8mm (film), about a private detective trying to verify the authenticity of a snuff film