Seikosha-Rapid
The Seikosha-Rapid was a leaf shutter made by the Japanese company Seikosha. Its top speed was 1/400 in #0 size or 1/500 in #00 size. It was followed by the Seikosha-MX.
Variations and cameras equipped
Top speed 1/500
Early variant with T, B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
Usual variant in #00 size with B, 1, 2, 5, 10, 25, 50, 100, 250, 500 speeds:
Unknown model:
- Fujica Six IS, ICS and IICS (top speed 1/500)
Top speed 1/400
Model with #0 size and B, 1, 2, 5, 10, 25, 50, 100, 200, 400 speeds: