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- spectacle zoom lenses 可变焦距透镜(系统)
- Mann, A., Infrared Optics and Zoom Lenses, SPIE, Bellingham, pp. 15-18, 1999. 耿继业、何建娃，几何光学，全华科技图书，台北，第226页，2004。
- 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。
- To simulate such a movement, as by means of a zoom lens. 好象用变焦镜头推近或拉远
- Zoom lenses. 变焦镜头。
- 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。
- Zooms lenses by necessity havemore elements than primes. 因为要变焦，所以变焦镜头的镜片数目比定焦的多。
- Furthermore Science-Vision designers develop optical systems for fluorescence analysis, vario focal lenses or zoom lenses for video cameras, and optical systems for medical applications. 此外,科技之光的设计者开发了荧光分析,摄像机变焦距镜头和应用医学的光学系统。
- 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。
- Takanori Yamanashi, J.Brian Caldwell, 2006, “Optical Design of Compound Zoom Lenses” , Proc. of the 5th International Conference on Optics-photonics Design &Fabrication, Nara, pp.19-20. 张维中，2003，“以基因区域搜寻演算法设计绕射型滤波元件”，国立交通大学光电工程研究所，硕士论文。
- Gradient-index and diffractive lenses, and the ubiquitous zoom lens, were known but not well developed until the second half of the century. 渐变折射率透镜，衍射透镜以及普遍使用的变焦镜头早已为人知，但直到20世纪下半才发展完备。
- 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。
- The SlingShot 100 AW holds an SLR with mid-range zoom lens attached 1-2 extra lenses, cables and accessories and has a full access lid to make loading it a snap. 100抗磨的弹弓拥有单反的中距变焦镜头，适用1-2额外的附加镜头，电缆和附件，并已全面进入盖子，使装载它易如反掌。
- F.) led by optics professors Shin-Tson Wu and Hongwen Ren has developed zoom lenses that can be dramatically smaller than conventional zooms. ）由吴诗聪与任洪文领导的研究团队开发出一种比传统式变焦镜头小了许多的新型变焦镜头。
- Variable Focal Length Zoom Lenses 可变焦伸缩镜头
- The celebrations provided a magnificent spectacle. 庆祝活动呈现一派宏伟的景象。
- 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
- Why are primes sharper? A number of reasons. Zooms lenses by necessity have more elements than primes. 顾名思义。天下没有免费的午餐！如果你追求绝对锐度，那就别买变焦镜头。不过，如果你需要摄影灵活性，请一定
