Asao Tenchidō

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Asao Tenchidō (アサオ天地堂) was a Japanese camera distributor. In the mid-1920s it advertised the Cadenza soft-focus lens, which was perhaps the first Japan-made photographic lens commercially available.

Bibliography

• Ars Camera. Advertisements by Asao Tenchidō in November 1924, June 1926, December 1926 and February 1927. No page numbers.