Vivitar 283 auto thyristor question

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OP

j-dogg

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Jun 26, 2010

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Floor-it-duh

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• Nov 29, 2011

• #26

Should be good. I have a bunch of cheapo flashes here and need something I can turn the power waayyyyy down on. i've been ISO 100 and 200 in clubs here, can't hardly see what I'm focusing at lol

 

Steve Smith

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• Nov 29, 2011

• #27

The second item down on this page: http://www.graphic-fusion.com/vivitar285mods.htm details a variable power modification and shows a circuit diagram which includes the connector pin out.


Steve.

 

djacobox372

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Jun 16, 2008

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35mm

• Jan 5, 2012

• #28

To adjust the power of a 283 manually the least expensive solution is to sell it and replace it with a 285.