The SEF-3 is an electronic flash unit, powered from 220 volt mains. It has a synchronisation lead which can be plugged into the accessory shoe thereby converting it to a hot-shoe. It has a guide number of 22 for 130 GOST, 22 DIN film.
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Created by RCCCUK on 5/11/2011 4:17:31 AM | Last Edited by RCCCUK on 5/11/2011 4:21:45 AMRevision History