Bolex International S. A. is a Swiss manufacturer of motion picture cameras based in Yverdon located in Canton of Vaud. The most notable products of which are in the 16 mm and Super 16 mm formats. Originally Bol, the company was founded by Charles Haccius and Jacques Bogopolsky (a.k.a. Bolsey or Boolsky) in 1925. Bolex is derived from Bogopolsky′s name. In 1923 he presented the Cinégraphe Bol at the Geneva fair, a reversible apparatus for taking, printing, and projecting pictures on 35 mm. film. He later designed a camera for Alpa of Ballaigues in the late 1930s.