Complex sentence: To stop water drops hitting the lens, Butler used the Panavision Spray Deflector that saw an optical glass spin at high speed to deflect the drops, except for the 4th of July beach stampede where the water-lens interface adds to the panic.
Split into simpler sentences: To stop water drops hitting the lens, Butler used the Panavision Spray Deflector that saw an optical glass spin at high speed to deflect the drops. Except for the 4th of July beach stampede where the water-lens interface adds to the panic.