He was nominated for an Oscar for Best Special Effects for the film Air Force (1943).
He got his first movie industry job as a cameraman at the Mack Sennett Keystone Studio in 1913, where he filmed Charlie Chaplin, Mabel Normand, Gloria Swanson, the Sennett Bathing Beauties and the Keystone Kops.
He worked on more than 90 films during his career.
He was an American special effects artist and cinematographer.
He began working with special effects when he went to Warner Bros. Studios.
He retired in the early 1960s.
After a stint with Fox Studios, Koenekamp joined Vitagraph and filmed all the Larry Semon comedies.
In 1990, he received the President's Award of the American Society of Cinematographers in recognition of his contributions to the motion picture industry.
Koenekamp's credits as a cinematographer include "Moby Dick" (1930) with John Barrymore, "The Treasure of the Sierra Madre" (1948), "Strangers on a Train" (1951) and "The Spirit of St. Louis" (1957).
Member of the American Society of Cinematographers, ASC.