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[photo-3d] Re: turning your flash into a flash grenade


  • From: "Chris Cavigioli" <chris-c@xxxxxxx>
  • Subject: [photo-3d] Re: turning your flash into a flash grenade
  • Date: Thu, 04 Jan 2001 04:41:29 -0000

Here's a guy who knows a lot about flash circuits, etc:

http://www.misty.com/~don/


--- In photo-3d@xxxxxxxxxxx, Robert Monaghan <rmonagha@xxxx> wrote:
> um, I would be pretty hesitant to recommend adding a parallel 
capacitor to
> an existing flashtube circuit. The main reason to be worried is that 
you
> could potentially dump too much energy into your flash tube, causing 
it to
> be damaged, and in some cases, fracture and "explode".  You could 
also 
> damage and destroy the electronics by overly rapid recycling and 
firing. 
> Flash tubes are rated by how many watt-seconds they can handle, and 
> adding another capacitor can easily provide and dump enough current 
to 
> fry the tube and circuitry. Caps are only a few $$ and are not the 
power 
> limiting element in the flash - the flash tube is. Having high 
voltage 
> caps mounted outboard of a flash is also asking for trouble with 
getting 
> fried yourself without lots of care (e.g. heat shrink tubing) in 
setup etc.
> 
> HTH bobm
> 
> * Robert Monaghan POB752182 Dallas Tx 75275-2182 rmonagha@xxxx      
*
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