The lenses dedicated to machine vision solutions are able to absorb the light spectrum and send the information to the digital sensor used inside the industrial camera.
Machine vision lenses are differentiated according to their use (smart, matrix or linear cameras) and according to the quality they can guarantee and consequently the price; the use of higher quality lenses makes it possible to handle more information as well as higher image resolution.
Another essential feature is the distinction between fixed focus optical systems and industrial lenses that allow adjustment of focal length and field of view.
Lenses used for industrial applications must guarantee certain essential characteristics:
Uniform image quality, thus providing clear and sharp images from the centre to the edges;
Optimised imaging performance even at close range, the minimum object distance is typically 0.1m;
Stable performance in relation to operating temperature, the standard range is -10°C to +50°C;
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