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See also Ars Seiki Kōgyō, maker of the Tomy, and Ars Optical, maker of the Acon 35.
Ars (アルス) was the publisher of the magazine Ars Camera. It also acted as a camera distributor on some occasions: it was selling the Tokioscope in 1926 and had a special 4×4cm version of the Gelto specially made, called the Arsen. The company was also selling various minor accessories, such as exposure tables.