----- Original Message ----- 
From: "Tom C"
Subject: RE: Hummingbird help


> I don't quite understand why a flash is viewed as needed when their
> wings typically beat < 100 times per second.  It would seem that 
> shutter
> speed alone would capture it (though I've shot at 1/250 before and 
> have
> still seen motion blur in the wings).


Flash fires at 1/30,000 of a second. The fastest shutter speed on a 
Pentax is more like 1/125 second, or whatever the flash sync speed is.

William Robb 



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