|Advertisement by Haruki Studio in Ars Camera February 1949. (Image rights)|
Haruki Studio (春木スタジオ) was a Japanese company active in 1949, located in Tokyo, Chūō-ku Nihonbashi Hongoku-chō 1–3 (東京都中央区日本橋本石町1ノ3). It made the Baron adapter (バロン・アダプター) to use 35mm film in 6×6 TLR cameras. The February 1949 advertisement in Ars Camera mentions the following features:
- auto-stop film advance via a sprocket shaft;
- takes 40 exposures in 24×32mm format;
- preserves the film-to-flange distance for correct focusing;
- allows daylight loading;
- needs no modification of the camera itself.
- Ars Camera. Advertisement by Haruki Studio in February 1949 (p.49).