EN The Mitchell Camera Corporation was founded in 1919 by Americans Henry Boger and George Alfred Mitchell as the National Motion Picture Repair Co.

EN Filmo is a series of 16-mm and 8-mm movie equipment made by the Bell & Howell Company.

EN The Krasnogorsk-3 (Красногорск-3) is a spring-wound 16mm mirror-reflex movie camera designed and manufactured in the USSR by KMZ.