Saneidō was a Japanese distributor based in Tokyo, active in the 1920s and early 1930s. Its main address from 1921 to 1930 was Kanda Suda-chō (神田須田町); from 1932, it was Kanda-ku Saeki-chō (神田区佐柄木町). It used the brand name Royal for various photographic products.
- Royal enlarger (c.1924)
- Royal soft focus lens, for tefuda and for meishi size (c.1924)
- Royal magnesium flash unit (c.1924–8)
- accessory tubular finder, to attach to the side of a strut-folding 4×6.5cm camera such as the Pearlette or Vest Pocket Kodak, sold ¥2 in 1932
Imported cameras distributed by Saneidō
The advertisement by Saneidō in the May 1927 issue of Ars Camera mentions an "unprecedented bargain sale" of field cameras. It lists two different models:
- a Tokyo-built kabine size model, for professionals, including a four-stage tripod and three double-sided plate holders:
- with double extension bellows, normally at ¥45, lowered to ¥33;
- with triple extension bellows, normally at ¥50, lowered to ¥35;
- in mahogany colour and special finish, with double extension bellows, normally at ¥53, lowered to ¥38;
- the ES No.7 (ES七號型) in tefuda size, for amateurs, with a large 4×3¾in lens standard, including a four-stage tripod, three double-sided plate holders and one film pack holder:
- with double extension bellows, normally at ¥54, lowered to ¥39;
- with triple extension bellows, normally at ¥70, lowered to ¥49.
The advertising picture shows the ES No.7.
- Ars Camera. Advertisements by Saneidō in September 1921, February 1922, November 1924, February and May 1927. No page numbers.
- Asahi Camera. Advertisement by Saneidō in March 1928 (p.A20), February 1930 (p.A25) and June 1932 (p.A24).
- Baird, John R. Collectors guide to Kuribayashi-Petri Cameras. Grantsburg, WI (USA): Centennial Photo Service, 1991. ISBN 0-931838-16-9. P.40.
- Shashin Salon. Advertisement by Saneidō in January 1934. No page number.