摘要 |
<P>PROBLEM TO BE SOLVED: To provide a circular polarization filter which is capable of fulfilling user's desire to represent the flow of water in a waterfall or a ravine like a silken thread or represent fallen leaves and flower petals floating on a water surface in a swirling pattern. <P>SOLUTION: The circularly polarizing filter is formed of a light reducing lens filter in which a polarizer and a 1/4 phase difference plate are disposed between a first filter lens and a second filter lens and the first filter lens has a light transmittance of 20% or less. <P>COPYRIGHT: (C)2013,JPO&INPIT |