| 摘要 |
An apparatus for light filtration is disclosed. The apparatus has a support structure. A lens is coupled to the support structure. The lens includes a first portion for performing light filtration, and a second portion. The second portion performs substantially less light filtration than the first portion or performs no light filtration. A distinct separation zone can be located between the first portion and the second portion. An apparatus for light filtration having an associated viewing area is disclosed. The apparatus includes a support structure, and a lens coupled to the support structure for performing light filtration. A portion of the lens is cut-out to allow for a portion of the viewing area to receive no light filtration. A method of making the same is disclosed.
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