| 1. | Resolving power test charts for projection lens
放映镜头解像能力测试标板 |
| 2. | Method for determining various functions of projection lenses
放映镜头各种功能的测量方法 |
| 3. | Technical specification of 35mm motion picture projection lens
35mm电影放映物镜.技术条件 |
| 4. | Brilliancy test charts for projection lenses
放映镜头用耀度测试标板 |
| 5. | Ultraplane microscope projection lens
超平场显微镜投影镜头 |
| 6. | Motion - picture equipment - 35mm and 70mm projection lenses and mounts
电影设备. 35mm和70mm投影透镜和镜筒 |
| 7. | Slide projectors and slides ; outer diameter for lens mount of projection lenses
幻灯放映机和幻灯片.放影镜头透镜座的外部直径 |
| 8. | Slide projectors and slides ; projection lenses for overhead projectors , optical data
幻灯放映机和幻灯片.空架放映机用放映镜头.光学参数 |
| 9. | A mirror , lens , or combination of lenses used to gather light and direct it upon an object or through a projection lens
聚光器用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组 |
| 10. | Within a year , however , 3 - d was no longer a novelty . the next gimmick was cinemascope . kwong tzan again manufactured his own projection lens of hypergona to make
立体电影于一年间起落，新奇的技术未能有相应深刻的内容而遭淘汰，继而有阔银幕电影的出现。 |
