Design on the Focusing Mechanism of Long Focus IR System

1、

Design of long focal length space optical system with three reflective mirrors

长焦距空间三反光学系统的设计

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2、

Compensation for long focus oblique real-time aerial camera being out of focus

长焦距斜视实时航空相机离焦补偿

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3、

Long focal depth photolithography for obtaining nanometer array patterns with multi-beam interference

用多光束干涉实现纳米级阵列图形的长焦深光刻

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4、

Improved out of focus at1m, in the tele-macro mode.

改进了1米处的重点在长焦微距模式。

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5、

Design of wide angle space optical systems of long focal length

大视场、长焦距空间光学系统的设计

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6、

It means that such microlenses are comparatively convenient to design.

这意味着可以更加便利地设计长焦深微透镜。

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7、

Optic Design of Collimator with Large Aperture and Long Focal Length

大口径长焦距平行光管光学系统设计

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8、

Discussion about Off-Focus Influence on MTF for Long Focus Aerial Camera

长焦距航天遥感相机离焦对传递函数的影响

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9、

Manufacturing for ruling concave metal grating with a long focal length

机械刻划长焦距凹面金属光栅的研制

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10、

The toughening mechanism of SiC/ BN laminated ceramic was experimental studied. SEM and Questar remote measurement system was used to make real-time observation of crack initiation and propagation during three points bending tests.

用扫描电镜、Questar长焦显微监测系统等仪器实时观察siC/BN叠层陶瓷缺口试样在三点弯曲加载时裂纹发生、发展直至破坏的全过程。

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11、

Then we used three aspects in circuits, optical mechanic, and software to design and implement the short focal cross asymmetrical Czerny-Turner miniature spectrometer and the long focal cross symmetrical Czerny-Turner miniature spectrometer.

然后，分电路、光学、机械、软件四部分设计并实现了短焦交叉非对称Czerny-Turner微型光谱仪与长焦交叉对称Czerny-Turner微型光谱仪。

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12、

Based on these, a novel method for long focal length measurement is presented, which is achieved by calculating the angle of Moire fringes formed by Talbot image of one Ronchi grating and another Ronchi grating.

在此基础上，本文提出了通过Ronchi光栅的Talbot效应形成Moiré条纹，由Moiré条纹的转角来计算长焦距透镜焦距值的方法。

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13、

On the basis of Talbot effect of Ronchi grating, the influence of temperature on the stability of the measuring system of long focal length has been theoretically analyzed.

基于Ronchi光栅的泰伯效应，在理论上分析了温度场的波动对长焦距测量系统稳定性的影响。

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14、

The new 77-millimeter telephoto enables beautiful, classic portraiture photos

全新77mm长焦摄像头带来精美、经典的人像照片，

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15、

In this paper a method for measuring the long focal length of lenses is described. The principle of the method is based on Talbot interferometry.

报道测量透镜长焦距的一种方法，测量原理是Talbot干涉。

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16、

If you think that using a300mm makes you a Street Photographer, you are dreaming.

如果你想用300mm长焦成为街头摄影师，那是做梦。

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17、

Recent years, it appears a new digital close-range photogrammetry system called Image Total Station System. There are two CCD cameras inside the image total station, which can realize real 'no-touch measurement'.

图像全站仪系统是近几年出现的一种新的数字近景摄影测量系统，在图像全站仪内部集成有广角和长焦两个CCD相机，它可以实现真正的无接触测量。

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18、

While it's true that stabilization is nowhere near as essential as it is on a long telephoto, this doesn't make it superfluous.

确实，广角不如长焦这么迫切需要稳定性，但并不是说VR就是多余的。

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19、

Chi says it will publish 26 pages of the images taken with a long lens from hundreds of meters away on Monday.

《Chi》还宣布将在周一刊登26幅照片，这些照片都是狗仔队在数百米外通过长焦镜头拍摄的。

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20、

For the space coupling of pumped solid-state laser, the short focal lens are excelled long focal lens.

对于空间耦合泵浦固体激光器的光纤耦合LD的输出光束，使用短焦距的透镜要优于使用长焦距的透镜。

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