Careful set-up and even more careful focusing are needed for this but the results can be amazing
Use a fish tank or clear glass dish Place coloured paper beneath the tank Fill with cold water Dribble oil into the tank and a few drops of washing up liquid Flash with an off -camera trigger is set on the ground next to the bowl
Shoot with a Macro lens directly above the water. Set focus to minimum and move in and out gently to find the focus point. Zoom in on screen to check focus.
Studio Flash with a large beauty dish placed directly above the soap dish Blow a large bubble using the straw Blow gently on the bubble to create swirly colours Focus carefully