It is the distance between the lens diaphragm and the image plane.
即是镜头光圈与影像平面之间的距离。
Diffraction: When light rays pass close to opaque surfaces, such as the blades of a lens diaphragm , they are scattered;
衍射：当光束靠近经过不透明表面，如镜头光圈的叶片时，它会散开。
Camera extension: the length of bellows in a process camera. It is the distance between the lens diaphragm and the image plane.
暗箱：制版照相机上可以伸缩的部份，它连接起镜头和影像平面。
The camera lens diaphragm is an important component in a noncontact optical imaging system and has a crucial influence on the images registered on the CCD camera.
镜头光阑是非接触式光学成像系统中的一个重要部件，并对CCD相机上采集到的图像具有重大影响。
The aperture refers to the hole in the lens, known as the diaphragm, that lets the light in.
光圈就是镜头里面的一个小洞，就是一块横膈膜一样的东西，好让光线穿过。
Methods the surgical results and operative complications of 42 patients who underwent the implantation of black diaphragm intraocular lens were analyzed.
方法分析42例应用带虹膜人工晶状体植入术的效果及术中、术后并发症。
Objective To discuss the effect of black diaphragm intraocular lens implantation in the management of cataract or aphakia with aniridia.
目的探讨治疗无虹膜白内障或无晶状体眼的有效方法。
AIM: To determine the clinical effects of black diaphragm intraocular lens (BDIOL) implantation on eyes suffered aphakia and aniridia.
目的评价无晶状体眼并虹膜缺失患者眼中植入带虹膜膈人工晶状体的临床效果。
Objective To evaluate the efficacy and safety of iris diaphragm intraocular lens implantation in the management of traumatic cataract with partial or complete aniridia.
目的探讨带虹膜隔人工晶状体植入术治疗外伤性白内障伴虹膜大部分缺损或虹膜全无的安全性和有效性。
Conclusion Black diaphragm intraocular lens implantation is effective in the management of cataract or aphakia with aniridia.
结论带黑色虹膜隔人工晶状体植入手术是治疗无虹膜白内障或无晶状体眼安全、有效的方法。
The condenser is equipped with an iris diaphragm, a shutter controlled by a lever which is used to regulate the amount of light entering the lens system.
聚光镜装配有瞳孔膜，那是一个有贡杆控制的快门，用来调节进入镜头系统的光量。
The analysis that the size of the focal shift is related to the factors such as Fresnel number, separating degree of lens-diaphragm and curvature radius of incident wave wavefront, etc.
分析表明，焦移的大小与菲涅尔数、透镜-光阑的分离程度以及入射波波面曲率半径等因素有关，并得出了消除焦移的条件。
Conclusion Black-diaphragm intraocular lens implantation is an effective technique for management of traumatic aniridia combined with aphakia.
结论虹膜型人工晶状体对治疗外伤比无虹膜无晶状体眼具有较好的临床价值。
Methods Black-diaphragm intraocular lens implantation were done in 14 patients (14 eyes) with traumatic aniridia after vitrectomy vision and complications were observed.
方法观察14例14眼虹膜型人工晶体植入术后的并发症及视力情况。
Objective To investigate the clinical therapeutic effects of black-diaphragm intraocular lens implantation in the management of aphakia with traumatic aniridia.
目的探讨虹膜型人工晶体对复杂眼外伤无虹膜无晶体眼的治疗作用。
Objective To investigate the effect of black diaphragm intraocular lens implantation in the management of aphakia with traumatic aniridia.
目的探讨眼外伤后无虹膜无晶状体眼的治疗方法。
The quality Of image and the effect of anopheline mosquito were better by using low power lens and low diaphragm.
用低倍镜小光圈成像质量好，解剖按蚊效果满意。
The first through fourth lenses are arranged sequentially from the object, and an aperture diaphragm is disposed on the object side of the first lens.
第一至第四透镜从物体顺序排列，孔径光阑置于第一透镜的物侧上。
The first through fourth lenses are arranged sequentially from the object, and an aperture diaphragm is disposed on the object side of the first lens.
第一至第四透镜从物体顺序排列，孔径光阑置于第一透镜的物侧上。
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