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Advanced Lens Selection

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Advanced Lens Selection

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The prior section explained lens selection primarily from the perspective of the lens as the final component to be chosen in the machine vision system. This section approaches lens and camera selection holistically, choosing both at the same time, depending on what is important for the specific application. This section will walk through an example starting from scratch where a 2D barcode needs to be imaged from 200mm away. Starting with the object to be inspected and breaking it down into its constituent parts is the first step in lens selection. What are the important features? How large are these features? How many pixels do I need to cover the feature that I am trying to observe in order for my machine vision software to function properly?

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