Seikosha (shutter)

The Seikosha was a leaf shutter developed in 1932 by the Japanese Seikosha company. It was inspired by the German Compur.

Variants and cameras equipped:

• #0 size, T-B-1-2-5-10-25-50-100-250
  • Topcon Lord (some sources call it "Seikosha S")