| 1. | I want a telephoto lens . do you have one here
我想要一个远摄镜头，你们有吗？ |
| 2. | A telephoto lens is available as an option
一个远距照相的镜头是可加以利用的选择。 |
| 3. | Punjabi made the photograph with a 500mm telephoto lens
彭加比用500毫米的镜头拍摄下了这张照片。 |
| 4. | Still another kind of effect is apparent when you look through a telephoto lens
另外使用望远镜头的效果也很特别。 |
| 5. | Connecting the camera to the telescope with a suitable adaptor enables the telescope to become a long telephoto lens
直接焦点法将摄影机接驳在一支望远镜后，把望远镜作为一支长焦距镜头使用。 |
| 6. | Riefenstahl ' s use of moving cameras , telephoto lenses , distorted perspectives and aerial photography captivated audiences
瑞芬斯塔尔采用了移动摄影机、长焦镜头、失真透视和空中摄影技术，令观众为之着迷。 |
| 7. | However , during a total solar eclipse , when the sun is fully blocked by the moon , you can photograph it with a telephoto lens or even a telescope
但在日全食出现时，即太阳完全被月球遮盖著，则可利用长焦距镜头或望远镜进行拍摄。 |
| 8. | Which shows that the hybrid refractive - diffractive lens can effectively eliminate the aberrance of a telephoto lens with lower weight and simple structure
结果表明，利用折衍混合能有效地校正长焦物镜的像差，极大地降低系统的重量和复杂程度，不失为长焦物镜设计的一条有效途径。 |
| 9. | The telephoto lens system consisted of only two pieces of optical elements made of fk1 glass has an equivalent optical performance to the traditional telephoto lens system made of five pieces of optical elements made of defferent kinds of glass
给出了仅使用1种材料fk1 、 2片型的长焦物镜系统设计结构，并将此设计结果与传统的5片型、 5种材料的纯折射长焦物镜的光学性能进行了比较。 |
| 10. | In order to break through the choke point of the traditional design of a telephoto lens , how to eliminate aberrance by means of hybrid refraction - diffraction was studied from the view of the phase polynomial of diffractive surface and phase transformation polynomial of general lens
摘要为了突破长焦物镜传统设计中的局限性，从衍射面的相位多项式出发，结合一般透镜的相位变换式，对折衍混合消像差理论进行了探讨。 |
