Howdy, Charles. It's the same 2.5 fps, as the BP-50 doesn't offer an increase in voltage, just the convenience of AA's and shutter release. cheers! hideki on 12/06/02 10:18, Charles Dias at charlesbronsondias@hotmail.com wrote: > Hi folks, > > Anybody can tell me the fps of the EOS 50e/Elan IIe with and without > BP-50??? >