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                                     This is a capture of the existing light at 1/100 sec f/9.0

                                                          Main Light 1/100 sec f 1/1

                                                             Adding a Left Light f 1/8

                                                             Adding a Rite Light f 1/4

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1 Strobe ans Background stop the Same shutter speed normal

2 Strobe and Background f stop the same Same shutter speed normal but we turned down the strobe power by 1 stoop

3 Strobe power back to normal and the shutter speed is faster by 1 stop

4 strobe power back to normal Shutter speed fast 2 stop

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