The or Copal
, is a Japanese
manufacturer of optical, electronic and mechanical equipment, primarily for the photographic
industry. It has been a subsidiary of Nidec
since 1998, and was formerly known as the Copal Corporation
. The company began operation in 1946, with small-scale production of photographic shutters; these are still one of the company's best-known products.
The company began producing in the 1960s the well-known Copal Square vertically-travelling metal blade focal plane shutter, which was very successful and was used in cameras by many prominent manufacturers.