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camerawiki: Semi Olympus II no.5182: Koho shutter to 1/150
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camerawiki: Semi Olympus II no.5696: Koho shutter to 1/200
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camerawiki: Semi Olympus II no.6641: Koho shutter to 1/200, no T setting
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camerawiki: Super Olympus I no.12112, Zuiko-S f/4.5 lens no.12507
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camerawiki: Dual-finder Ugein, 4.5×6 (1)
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camerawiki: Zeitax: Zeitax lens and Koho shutter