William Robb wrote: > ----- 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 > > >
Flash can be a fair bit slower than that, especially at full power. I know the Nikon SB-800 has a duration of approximately 1/1000 of a second at full power, low power flashes are much shorter. -Adam -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
