lens aperture 中文意思是什麼

lens aperture 解釋
鏡頭光圈刻度
  • lens : n （pl lenses）1 透鏡；一組透鏡。2 【解剖學】（眼球的）晶體。3 【攝影】（照相機的）鏡頭。4 凸透鏡...
  • aperture : n. 1. 孔，隙縫。2. （照相機的）光圈；孔徑，口徑。
  1. This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal

    本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。
  2. When only allows the total internal reflection beams focus on the small aperture, which is formed at the center of metal film coated on the bottom of solid immersion lens, the optical fields propagated from the aperture of different dimension is first simulated

    根據衍射超分辨原理首次模擬出了底面鍍有金屬膜、中心留有通光微孔的固體浸沒透鏡的出射光場分佈。
  3. The feasibility and some advantages of employment of sil have been discussed. the numerical aperture are calculated when laser pulse is defocusing. in contrast with traditional microscopy objective, the employment of solid immersion lens can effectively increase the numerical aperture of the recording system ; thereby it can increase the volumetric density and decrease the demand of the incident laser power

    當脈沖聚焦點相對于固體浸沒透鏡底面離焦時，對系統的有效數值孔徑進行了計算，結果表明採用固體浸沒透鏡離焦的方式進行記錄，系統的有效數值孔徑最低可增大到固體浸沒透鏡插入前的折射率倍，其數值孔徑的理論極限值為存儲介質的折射率。
  4. Camera lens should be set to infinity with maximum aperture. then point the camera to perseus or neighbour constellations for a 5 - minute exposure time and try your luck

    將鏡頭對焦至無限遠，對準英仙座或其鄰近星座，把光圈調至最大，曝光5分鐘，應有收獲。
  5. We have kept in specializing in optical instruments for nearly 40 years, especially sight test apparatuses, such as trial lens of both full - aperture with metal colored metal rim and reduced - aperture with plastic aluminum mount, trial frame with adjustable changeless p. d, crooss cylinder set and retinoscopy rack set. based on excellent quality and reasonable price, our trial lens set has acquired a good reputation from the customers and distributors over the world. for ten years, our products have been widely shipped to america, europe, southeast asia, mid - east and africa

    連雲港天諾光學儀器有限公司是專業生產驗光鏡片箱檢眼鏡片箱試鏡架等驗光儀器的廠家，多年來，公司致力於驗光儀器的開發和研究，追求精益求精，不斷改進生產工藝，提高產品質量，並積國內外諸多驗光師的經驗遂漸形成260 232 226 158等多種產品及規格，配置合理鏡片孔徑大驗光配鏡舒適準確，是理想的專業驗光工具。
  6. It was based on the principle of laser confocal microscope. and the two - dimensional scanning configuration was adopted by the optical scanner and the telecentric linear imaging objective lens of large numerical aperture to realize x - direction ' s scanning, and the conventional mechanical method using linear driver and linear guide track to y - direction ' s. the experiment results indicate that the device can run smoothly and rapidly, be operated easily and detect fluorescence effectively

    儀器基於激光共焦顯微鏡的理論，採用振鏡和遠心線性成像物鏡實現x向掃描；精密導軌和步進電機實現y向掃描的檢測儀，經驗證，掃描儀具有快速、操作簡單、檢測晶元能力良好等特徵，有望彌補市場的空缺。
  7. Stores photographic data of up to 7 rolls of 36 exposures on aperture, lens focal length, exposure compensation exposure bracketing increments, shutter speed, flash compensation flash bracketing increments ( including flash on off status ), exposure mode, and metering mode

    可以儲存7卷36格菲林的光圈、鏡頭焦距、曝光補償包圍式曝光增減值、快門速度、閃燈補償包圍式閃燈增減值（包括：閃燈開啟開關狀態） 、曝光模式及測光模式等拍攝資料
  8. The amount of light that enters the lens can be controled by the length of time the camera shutter is open for ( the exposure ), and the width of the aperture ( the fstop )

    進入鏡頭光的總量可以由照相機快門打開時間的長短（曝光）和孔徑的寬度決定。
  9. Optical system design for lens with relative aperture of 11

    相對孔徑為11鏡頭的光學系統設計
  10. The camera adjusts its focus, lens aperture, and shutter speed by itself

    它會調焦、調光圈和光閘速度。
  11. Camera lens should be set to infinity with maximum aperture. then point the camera to quadrans or neighbour constellations for a 5 - minute exposure time and try your luck

    將鏡頭對焦至無限遠，對準象限儀座或其鄰近星座，把光圈調至最大，曝光5分鐘，應有收獲。
  12. A very small lens aperture is employed to correct spherical aberration, but this severely limits the final resolution.

    可以用一個非常小的透鏡孔闌來校正球差，但這會嚴重地影響最終鑒別率。
  13. Product characteristic : vmate entire, function table model keyboard ; peleco " d p " agreement, baud rate 4, 800, peleco " p " agreement, baud rate 2400rj - 45 connection ; the three dimensional rocking bar may carry in the accuracy control keyboard to quick ball each kind of speed the pressed key to be allowed to choose the camera the address ; transfer ball machine function menu ; processing pre - placed position ; opens and closes the small aperture ; focal variation and focusing lens ; the start stops automatic and the random scanning function

    三維搖桿可對快球的各種速度進行精確控制鍵盤上的按鍵可以選擇攝像機的地址碼調用球機功能菜單處理預置位打開及關小光圈變焦及聚焦鏡頭啟動停止自動及隨機掃描功能
  14. Programmed control of aperture and shutter speed based on lens specifications and scene characteristics, p

    根據鏡頭規格和現場環境以程式操控光圈及快門速度。
  15. Camera lens aperture

    攝象機鏡頭孔闌
  16. Set to the desired lens aperture

    將鏡頭光圈調到您所希望的大小。
  17. Ideally, a lens produces a circle of confusion that is simply a uniformly illuminated shape corresponding to that of the lens aperture

    理想上，鏡頭產生形狀和鏡頭光圈形狀對應的均勻照亮的彌散圈。
  18. Another principle illustrated by figure 4 is that any object having edges that line up with the edges of the lens aperture will tend to be resolved to some degree

    圖四闡明的另一個原理是任何物體，只要它有邊緣與鏡頭光圈邊緣對齊，那麼它的形狀就能在一定程度上可以辨別。
  19. Ratio of lens aperture

    透鏡孔徑比
  20. Ccd iris, the function can automatically replace manual aperture lens aperture lens

    Ccd iris ，該功能可以使手動光圈鏡頭替代自動光圈鏡頭。
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