The objective with respect to its focal length, a relatively large image since strength focal intercept

• 1. 一种长焦距大相对孔径变焦距光学系统 [P] . 中国专利： CN102879890B . 2014.11.05
• 2. 一种长焦距大相对孔径变焦距光学系统 [P] . 中国专利： CN102879890A . 2013-01-16
• 3. Optical system useful e.g. for imaging laser beam, comprises collimating objective, in which first- and third lens group have positive focal length, and second lens group has negative focal length, beam source, and focusing-objective [P] . 德国专利： DE102011117607A1 . 2013-05-02

  机译： 光学系统有用的用于成像激光束，包括准直物镜，其中第一和第三透镜组具有正焦距，第二透镜组具有负焦距，光束源和聚焦物镜

• 4. The objective with a variable focal length and an image pickup apparatus with storage capabilities for preselected focal lengths [P] . 德国专利： DE602004007587T2 . 2008-04-17

  机译： 具有可变焦距的物镜和具有用于预选焦距的存储功能的摄像设备

• 5. A photographic wide-angle - objective with a long image since strength focal intercept [P] . 德国专利： DE2254586A1 . 1974-05-16

  机译： 自广角焦点截取以来，具有广角图像的摄影广角物镜

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• 2. Precision integration of grating-based polarizers onto focal plane arrays of near-infrared photovoltaic detectors for enhanced contrast polarimetric imaging [J] . Bo Feng, Yifang Chen, Duo Sun, 极端制造（英文） . 2021,第003期
• 3. Variable focal lengths image fiber based microscope system for biomedical application [C] . 2010 Photonics Global Conference . 2010
• 4. Characterization of Low-Energy Photon-Emitting Brachytherapy Sources with Modified Strengths for Applications in Focal Therapy [D] . Reed, Joshua L. 2015
• 5. Focal Length Affects Depicted Shape and Perception of Facial Images [O] . Vít Třebický, Jitka Fialová, Karel Kleisner, -1
• 6. Manufacturing of a parabolic trough concentrating collector test rig and a “LASER-Screen” technique for measuring actual focal length and light interceptance of the collector [O] . Majedul Islam, Mohiuddin Sadi, Amir Hamza Limon, 2019

• 1. Magnetic resonance imaging of the liver:New imaging strategies for evaluating focal liver lesions [J] . Kenneth Coenegrachts . 世界放射学杂志：英文版（电子版） . 2009,第1期
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• 4. 宽光谱、长焦距准直物镜光学设计 [C] . 黄雷 ,胡雯雯 ,杨志文 . 2007年光电探测与制导技术的发展与应用研讨会 . 2007
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