I need to take a long exposure (2-5 mins) from a steel gantry in a factory but the movement of cranes etc makes the entire building - and gantry - vibrate. The frequency and extent of the vibrations is not uniform and varies according to the particular movements of plant. Does anyone know how to counteract the vibrations? One idea is to adapt snow shoes for the tripod feet and place these on large bags filled with polystyrene chips etc as vibration bafflers. Any suggestions, please?
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