Figure 4. Relationship Between Focal Length, FOV, Sensor Size, and Working Distance.

图4. 焦距, 视野FOV, 感应器大小, 和工作距离间之关系.

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To assure accuracy of travel, the SM - 191 allows accurate settings of working distance and speed.

要确保行进的精确性, SM-191可精确设置工作距离和速度.

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The automatic of an aspherical lens in front of a fibre - scope depends on the working distance.

光纤显微镜前的非球面镜自动装配依赖于工作距离.

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Working distance - the distance from the front of the camera lens to the object under inspection.

工作距离 - 由摄像机镜头前到观察目标物的距离.

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If you cannot change the working distance , you are somewhat limited in choosing your lens.

如果你不能变更工作距离, 你在选择镜头上就免不了规限了.

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