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The names Chihaya, CHY-SB and CHY-SB are found on Japanese shutters of the 1950s. The word CHY might correspond to Chihaya, and these names are probably related.

The CHY-SB shutter, with B, 1–200 speeds and a self-timer, is externally similar to the S. Luna shutter, of which it is perhaps a successor.

List of cameras equipped[]

This list is incomplete, and not all the versions of the listed cameras have these shutters: