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- wide aperture lens 大孔径透镜
- Usually, a large aperture lens will give better results. 若使用大光圈的镜头,效果当然更理想。
- My test is focused on more apparent difference at wide aperture rather than trying to find out split hair difference. 这里所要关注的是在大光圈下两镜头的主要差别，而不是一些细枝末节的差异。
- Based on Collins formula and ABCD propagation matrix theory,the propagations of laser beams with different profiles through an aperture lens are analyzed and compared under the same laser beam power and initial beam width in this paper. 基于柯林斯公式和ABCD传输矩阵理论 ,在相同激光功率和初始束宽下 ,研究了不同空间分布光束通过聚焦光学系统的传输特性。
- Polytetrafluoroethylene(PTFE) wide aperture sieve plate was prepared by machining PTFE turning plate, and the tensile properties of sieve plate and turning plate were analyzed. 采用聚四氟乙烯(PTFE)车削板为原料,机械加工生产大孔径PTFE筛板,对筛板与车削板进行了拉伸性能分析。
- Abstract: From the Helmholtz equation, the optical field analytical expression of an ultrashort pulse propagating through a small aperture lens was acquired with chromatic and spherical aberration. 摘 要： 从亥姆霍兹方程出发，考虑透镜的色差和球差，得到了超短脉冲经过小数值口径透镜后光场的解析表达式；
- From the Helmholtz equation, the optical field analytical expression of an ultrashort pulse propagating through a small aperture lens was acquired with chromatic and spherical aberration. 摘要从亥姆霍兹方程出发，考虑透镜的色差和球差，得到了超短脉冲经过小数值口径透镜后光场的解析表达式；
- From the propagation theory of partially coherent light, spectral anomalies and spectral switches of Gaussian Schell-model beams focused by an astigmatic aperture lens are studied. 从部分相干光的传输理论出发,研究了高斯谢尔模型光束通过光阑像散透镜聚焦的光谱异变和光谱开关。
- short focal length high aperture lens 短焦距强光力物镜
- Extended Field Elliptical Aperture Lens 可扩展扫描椭圆孔镜头
- The aperture in the door is so wide. 门上的孔隙太大了。
- Wide Aperture Radio Location Array 大孔径无线电定位天线阵
- having 2 or 3 lenses with wide aperture for use in microscopes. 显微镜上应用的带有宽口径的两三个镜头。
- Observant photographers have noticed that not all lenses are created equal: large aperture lenses show strong out-of-focus effects while small-aperture lenses lead simply to a softening of the image. 细心的摄影者会发现不是所有的镜头都是一样的：大光圈的镜头呈现强烈的失焦效果，而小光圈的镜头只是稍微的让图像柔化一些。
- having 2 or 3 lenses with wide aperture for use in microscopes 显微镜上应用的带有宽口径的两三个镜头
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- Design and manufacture of Hartmann beam expander with wide aperture 大口径哈特曼扩束系统的设计和研制
- Set to the desired lens aperture. 设置所需的镜头光圈。
- The flood cut a wide swath in this area. 洪水席卷了这一地区，满目一片疮痍。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
