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# Digital Slave Flash Sensor SF4 Ignores Preflash - eBay (item 120203683887 end time Jan-06-08 15:08:14 PST)
wooow, it seems better than
Wireless Flash Trigger V2s for Vivitar 285HV DF-400MZ - eBay (item 170182315236 end time Jan-07-08 11:28:19 PST).
maybe not, first one works via infrared and the second works via radio. thank you guys, i think i will buy one of them!!!
halil