A thing is worthy to mention is that you simply control the incidence of engage. Ordinary, the best condition is drops can be continuous plunging. Of course, if you want to shoot a special effect, with regard to example blisters, yield the drinking water.
Use the flash light where necessary, though it will be very tricky but try multiple shots. Don't use a flash as soon as the subject is against a white wall or a bright foundational. The reflection through your white wall or the bright background could all cause the shutter speed to be faster, the actual the subjects appearing very dark. Try using the flash with dark or no backgrounds.

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