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Photography Question 

Ken Barrett
 

Diffuser for pop-up flash


I have a 20D and as you know it has a pop-up flash. I use it for closeup fill light but sometimes if causes overexposure. I use a Sto-fen diffuser for my 580EX flash. Does anyone know if someone makes a diffuser that fits on the pop-up? OR what can I use other than a white cloth.
Thanks for your help, Ken


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September 14, 2005

 

Michael H. Cothran
  I saw such an item advertised in either Shutterbug or Outdoor magazine just recently.

That said, this is NOT the problem. Your camera has a flash meter sensor that reads the scene, and controls the output of light. Adding a diffuser will not solve the problem of over exposure. Your built-in flash meter is just reading incorrectly one way or another. If shooting close-up, as you stated, you are probably experiencing a problem of your flash being too close, and not being able to shut off quick enough. In this case, it is very possible that a diffuser will help, indirectly, by causing your flash to need more light than normal, thus allowing it to shut off in time.
My advice would be to pay attention to the kind of subject matter that is being over-exposed, and in the future, dial in a minus amount of flash to compensate. The little front mount diffusers (like your Sto-fen)are not really effective enough compared to the extra light they require (usually from 1 to 2 stops more light), and the extra battery power they drain, and you consume.
Over the years I have experimented with small diffusers, and now have a drawer full of every conceivable type of the useless things.
Michael H. Cothran
www.mhcphoto.net


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September 14, 2005

 

Ken Barrett
  I thought that might be the case.
Thanks Michael
Ken


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September 14, 2005

 

Liza M. Franco
  Hi Ken, check this website and see if this would perhaps help. They have a lot of interesting products.

http://www.lumiquest.com/softscreen.htm


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September 14, 2005

 

Kerry L. Walker
  You might try using a smaller aperature.


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September 14, 2005

 

Ken Barrett
  Thank you all.
Liza, you nailed it. The Soft Screen is just want I was looking for.
Thanks, Again
Ken


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September 14, 2005

 

Liza M. Franco
  Ken, keep me posted and let me know how that works out. I've never tried one but am curious as to how well it works.


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September 14, 2005

 
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