This Tiffen 4 x 5.65″ Water White Natural IRND Filter is constructed from Water White glass for increased clarity as well as color fidelity. It is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch, and measures 4mm thick.
Densities: .3, .6, .9, 1.2, 1.5, 1.8, 2.1
