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    • 1. 发明授权
    • Wide-conversion lens
    • 宽转换镜头
    • US08456765B1
    • 2013-06-04
    • US13454110
    • 2012-04-24
    • Wei YinYang-Cheng LuoZi-Yuan Li
    • Wei YinYang-Cheng LuoZi-Yuan Li
    • G02B9/60
    • G02B15/10G02B9/60
    • A wide-conversion lens, in order from the object-side to the image-side, includes a first lens with negative refraction power, a second lens with negative refraction power, a third lens with positive refraction power, a fourth lens with positive refraction power, and a fifth lens with negative refraction power. The first lens includes a surface facing the object side. The wide-conversion lens satisfies the following conditions: R1
    • 从物体侧到图像侧的广角转换透镜包括具有负折射光焦度的第一透镜,具有负折射光焦度的第二透镜,具有正折射光焦度的第三透镜,具有正折射率的第四透镜 功率和具有负折射能力的第五透镜。 第一透镜包括面向物体侧的表面。 宽转换透镜满足以下条件:R1 <0; Vd2-Vd1> = 19; Vd2-Vd3> = 35。 其中,R1是第一透镜的表面的曲率半径; Vd1是第一透镜的阿贝数; Vd2是第二透镜的阿贝数; Vd3是第三个透镜的阿贝数。
    • 2. 发明授权
    • Imaging lens system
    • 成像镜头系统
    • US08000036B2
    • 2011-08-16
    • US12757048
    • 2010-04-09
    • Yang-Cheng Luo
    • Yang-Cheng Luo
    • G02B9/62
    • G02B13/04
    • An imaging lens system in order from the object side to the image side includes a first lens with negative refractive power, a second lens with positive refractive power, a third lens with negative refractive power, a fourth lens with positive refractive power, a fifth lens with negative refractive power and a sixth lens with positive refractive. The imaging lens system satisfies the following formulas: Nd2>1.8 and Vd2
    • 从物体侧到图像侧的成像透镜系统依次包括具有负屈光力的第一透镜,具有正折光力的第二透镜,具有负折光力的第三透镜,具有正折光力的第四透镜,第五透镜 具有负屈光力和具有正折射率的第六透镜。 成像透镜系统满足以下公式:Nd2> 1.8和Vd2 <25,其中Nd2是第二透镜的折射率,Vd2是第二透镜的阿贝数。
    • 4. 发明授权
    • Zoom lens
    • 变焦镜头
    • US08472126B2
    • 2013-06-25
    • US13280307
    • 2011-10-24
    • Yang-Cheng Luo
    • Yang-Cheng Luo
    • G02B15/14G02B15/177
    • G02B15/177
    • A zoom lens includes, in the order from the object-side to the image-side thereof, a first lens group of a negative refractive power, a second lens group of a positive refractive power, and a third lens group of a positive refractive power. The first lens group includes, in the order from the object-side to the image-side thereof, a first lens of negative refractive power, and a second lens of positive refractive power. The second lens group includes, in the order from the object-side to the image-side thereof, a third lens of positive refractive power, a fourth lens of negative refractive power, and a fifth lens of negative refractive power.
    • 变焦透镜以从物体侧到其像侧的顺序包括负折光力的第一透镜组,正屈光力的第二透镜组和正屈光力的第三透镜组 。 第一透镜组从物体侧到其像侧的顺序包括负折光力的第一透镜和正屈光力的第二透镜。 第二透镜组从物体侧到其像侧的顺序包括正屈光力的第三透镜,负折射光焦度的第四透镜和负折射光焦度的第五透镜。
    • 5. 发明授权
    • Zoom lens system
    • 变焦镜头系统
    • US07817351B2
    • 2010-10-19
    • US12346797
    • 2008-12-30
    • Yang-Cheng Luo
    • Yang-Cheng Luo
    • G02B15/14
    • G02B15/177
    • A zoom lens system includes, in order from the object side, a negative first lens group, a positive second lens group; and a positive third lens group. The first lens group includes, in order from the object side to the image side, a negative first lens and a positive second lens. The second lens group includes, in order from the object side to the image side, a positive third lens, a negative fourth lens, and a negative fifth lens. The zoom lens system satisfies certain conditions related to the configuration of the lens and lens groups of the zoom lens system in order to provide a compact zoom lens having excellent correction of aberrations.
    • 变焦透镜系统从物体侧依次包括负的第一透镜组,正的第二透镜组; 和正的第三透镜组。 第一透镜组从物体侧到像侧依次包括负的第一透镜和正的第二透镜。 第二透镜组从物体侧到像侧依次包括正的第三透镜,负的第四透镜和负的第五透镜。 变焦透镜系统满足与变焦透镜系统的透镜组和透镜组的配置相关的某些条件,以便提供具有优异的像差校正的紧凑变焦透镜。