It would void your Speedlite\'s waranty, I\'m sure, but it shouldn\'t be too difficult to swap the Vivitar connector for a Canon CP-E4 connector on one of these adapters. If the output voltages are the same it should work just fine.
Nov 21, 2012 at 05:16 PM
Previous versions of BrianO's message #11134932 « Electrical Engi question about powering speedlights »
