Thread: how close? extension tubes and teleconverters
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Old 30-12-05, 22:24
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Saphire Saphire is offline  
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Don I have just checked my flashgun. it has a guide number of 102 feet on full power down to 25ft on 1/16th power. Its the Vivitar digital Flash DF200, hope this will do the flip flash triggers it.
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