| 摘要 |
optics. SUBSTANCE: high-speed lens includes arranged in sequence biconvex lens, positive meniscus facing object with convexity and lens comprising biconcave and biconvex lenses cemented together. Invention provides for design of high-speed lens with relative aperture 1:1.2 with high- quality image and improved adaptability to manufacture. EFFECT: generation of high- quality image and improved adaptability to manufacture. 1 dwg, 1 tbl |
