The 20th American Society of Cinematographers Awards were held on February 26, 2006, honoring the best cinematographers of film and television in 2005. ^[1]

Outstanding Achievement in Cinematography in Theatrical Releases

• Dion Beebe – Memoirs of a Geisha
  • Robert Elswit – Good Night, and Good Luck.
  • Andrew Lesnie – King Kong
  • Wally Pfister – Batman Begins
  • Rodrigo Prieto – Brokeback Mountain

Outstanding Achievement in Cinematography in Miniseries, Pilot, or Television Film

• Warm Springs – Robbie Greenberg
  • Code Breakers – Thomas Del Ruth
  • Faith of My Fathers – Bill Roe
  • Into the West (Episode: "Wheel to the Stars") – Alan Caso
  • Reefer Madness: The Movie Musical – Jan Kiesser

Outstanding Achievement in Cinematography in Episodic TV Series

• CSI: Crime Scene Investigation (Episode: "Who Shot Sherlock?") – Nathan Hope
  • Carnivàle (Episode: "Los Moscos") – Jeffrey Jur
  • Las Vegas (Episode: "Everything Old Is You Again") – John Newby
  • Smallville (Episode: "Sacred") – Glen Winter
  • Without a Trace (Episode: "Freefall") – John B. Aronson