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does the sensor of automatica flashlight count ambient light?



 
 
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  #1  
Old March 27th 07, 04:29 AM posted to rec.photo.equipment.medium-format
Steven Woody
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Posts: 164
Default does the sensor of automatica flashlight count ambient light?

i am considering of using an automatica flashlight to do fill-in
flash. in many cases, the add-in flash should be in the similar
amounts of the ambient light on the shadow which i hope bring one stop
lighter. so the flahs to sunlight radio is about 50-to-50. to archive
this, i need to know, does the sensor count ambient light? the
different answer will lead to different setup of aperture.

thanks.

-
woody

  #2  
Old March 27th 07, 08:28 AM posted to rec.photo.equipment.medium-format
Richard Polhill
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Posts: 447
Default does the sensor of automatica flashlight count ambient light?

Steven Woody wrote:
i am considering of using an automatica flashlight to do fill-in
flash. in many cases, the add-in flash should be in the similar
amounts of the ambient light on the shadow which i hope bring one stop
lighter. so the flahs to sunlight radio is about 50-to-50. to archive
this, i need to know, does the sensor count ambient light? the
different answer will lead to different setup of aperture.


thanks.


-
woody


It will measure the amount of light. It has no way of differentiating between
its own output and any other sources.
  #3  
Old March 28th 07, 07:29 AM posted to rec.photo.equipment.medium-format
Steven Woody
external usenet poster
 
Posts: 164
Default does the sensor of automatica flashlight count ambient light?

On Mar 27, 3:28 pm, Richard Polhill
wrote:
Steven Woody wrote:
i am considering of using an automatica flashlight to do fill-in
flash. in many cases, the add-in flash should be in the similar
amounts of the ambient light on the shadow which i hope bring one stop
lighter. so the flahs to sunlight radio is about 50-to-50. to archive
this, i need to know, does the sensor count ambient light? the
different answer will lead to different setup of aperture.
thanks.
-
woody


It will measure the amount of light. It has no way of differentiating between
its own output and any other sources.



thank you.

 




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