Originally Posted by
rpcrowe
Brian, I would assume that while it is certainly possible to hand hold the sequence, your image just "might" be a TAD sharper if you had your camera on a solid support, such as a sturdy tripod, when shooting your sequence.
I would also assume that the rationale behind this bracketing is to get detail in the shadows as well as in the highlights of a contrasty image; such as your white flower and the dark surroundings.
My new Canon SX50-HS has many bells and whistles which I have not tried yet, including the capability of some simple video editing (trimming off the beginning and ending of shots) in-camera. This might be handy for the 15-30 second clips I like to do for my rescue dogs...