Finding the distance of object from a logitech camera.
找到对象从罗技摄像头的距离。
Focus on an area of sky where the fireworks will be, or on an object the same distance away.
可以对焰火即将绽放的那片天空对焦，或者找个与烟花相同距离的物体进行对焦。
Object - image distance formula of single spherical surface is derived through Times Compensation.
用时间补偿法推导了单一球面的物像距公式。
Object - image distance formula of single spherical surface is derived through Times Compensation.
用时间补偿法推导了单一球面的物像距公式。
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