Nidec Copal Corporation

The Nidec Copal Corporation (日本電産コパル株式会社, Nihon Densan Koparu Kabushiki-gaisha), or Copal, is a Japanese manufacturer of optical, electronic and mechanical equipment, primarily for the photographic industry.

In the 1960s the company began producing 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.

[5] The electronically controlled Copal Square E (1968) was used in the Yashica TL Electro X, the Canon EF, the Nikkormat EL.

For the professional Nikon F4 built 1988 until 1996 the Copal Square was developed and reached 1/8000 s and 1/250 s with flash.

[4] In 2020 Nidec Copal has round about 6,450 employees[6] and manufactures devices, that are used in automobiles, optical products and Tablets beside shutters for digital cameras.