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- In the scope of zoom lens, most of researches focus on traditional zoom lens system, which changes the effect focus by moving the lens along optical axis. 中文摘要在变焦镜头的领域中，大都著重于传统式的变焦系统，其变焦方式是让透镜沿著光轴移动而改变整体的有效焦距。
- To study the structure of telecentric beam path for zoom lens system，the axial displacement equation for the stop was deduced, which keep the system telecentric in all zoom position. 进一步研究变焦距系统远心光路的结构特征，得出了使系统在整个变焦过程中都处于远心位置的光阑轴向位移方程。
- Design of a zoom lens system with matrix method 用矩阵方法设计变焦镜头
- I prefer a built-in zoom lens, like the one I have. 我喜欢如我所有的那种固定式变焦镜头。
- It has a built-in zoom lens as well. 它也有内置的变焦镜头。
- I have a camera with a zoom lens. 我有架带有变焦镜头的照相机。
- The hardware includes digital image sensor,USB interface,DSP system,zoom lens and it"s driving system . 硬件部分主要包括图像传感器、USB接口、DSP系统、可变焦镜头及其驱动系统。
- To simulate such a movement, as by means of a zoom lens. 好象用变焦镜头推近或拉远
- Lifting up her camera, she took out a zoom lens and put it on. 她举起照相机，取出一个变焦距镜头换上。
- Standard zoom lens with an Image Stabilizer and high zoom ratio. 内置影像稳定器，高变焦率，标准变焦镜头。
- Has two converging lens system; the objective and the eyepiece. 有两个会聚镜头系统;物镜和目镜。
- One of these may be a zoom lens, which can focus off object far or near. 镜头之一为变焦镜头，可以拍近也可拍远。
- Telephoto zoom lens only 3.1 in. (78.5mm) long and weighing only 8.8 oz. (250g), making it very easy to carry around. 远摄变焦镜只有3.;1英寸（78
- The usually circular area in which the image is rendered by the lens system of an optical instrument. 视区光学仪器的透镜系统所能看到的通常是圆周的区域
- Your camcorder should have these basic functions: auto focus, playback facility and zoom lens. 你的摄像机应该具备以下基本功能：自动聚焦、回放和变焦。
- The heavy camera with its bulky zoom lens was swinging in front of her chest; it seemed to him the weight of the camera would break her long neck. 带着变焦距长镜头的相机沉重地在她胸前晃动着，他觉得她那长长的脖子快被那机器坠断了。
- Imagine that we have some sort of Lens system which forms an image of an extended object. 设想我们有某种透镜系统，它对一个扩展物体成象。
- Horowitz photographed this brown bear on Alaska's Kodiak Island. The retiree used a70-200 mm zoom lens. 哈洛沃兹，一个退休者，用70-200毫米的变焦镜头，在阿拉斯加的克迪亚克岛上拍摄了这只棕熊。
- Compound lens or lens system designed to be free of astigmatism and able to form approximately point images. 没有散光并且能够形成近似的图像的。
- S： Yes, some of them include a built-in zoom lens with wide-angle and telephoto settings. 可以，有些自动机具备广角镜及远摄镜功能的内置变焦镜。
