| 摘要 |
<p>LUMINAIRE LENS INSERT A luminaire lens is provided with a prism arrangement which emits light in two beams. A fluorescent tube fixture is utilized with the lens and approximately the same amount of light comes from the 0.degree. to 30.degree. zone of candlepower distribution and the 30.degree. to 60.degree. zone of candlepower distribution, with very little light emitted from the 60.degree. to 90.degree. zone of candlepower distribution. A second lens insert element is provided within the primary luminaire lens to mask the image of the fluorescent tube.</p> |
