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2016 electronic file directory

Laboratory dedicated source selection table

How to choose a suitable industrial camera

Selecting an appropriate industrial camera can refer to the following points:

2015 The first five electronic file directory

Explanation of parameters of industrial lens

In the machine vision industry, there are a lot of professional terms. Most customers do not understand their meanings. We will explain them in the following.

The relationship between the size of CCD chip and the imaging quality of industrial cameras

Image sensor (CCD or CMOS chip) is the key element of industrial camera imaging.The larger a single pixel of image sensor is, the better the ability to capture the light. The large the area of the image sensor, the more sensitive components can be accommodated.The more photons captured, the better the photographic performance, the lower the signal-to-noise ratio.It can see from better imaging effect, that is, the image is delicate, rich and true.Under the same conditions, more details of the image can be recorded. The interference between the pixels is small. It can be more competent under the condition of weak light.However, the larger the area of the image sensor is, the higher the cost is.

The selection formula of industrial lens (attached CCD chip size table)

The focal distance(f mm) of industrial lens can be calculated by FOV,WD and CCD chip size:

Machine vision technology has been widely used in industrial inspection

The so-called “machine vision”, that is the way using machine replace human eyes to measure and estimate. Machine vision system is equivalent to human eyes. The eyes transfer images they have seen to control chip and then make judgments by control program. A typical machine vision system includes: light, lens, camera, IPU (or image capture card)，image processing software，monitor, communication/input and output unit, etc.