12mm fixed focus machine vision lens
A machine vision and lens technology, applied in the field of optical mirrors, can solve the problems of less than 5 million pixels and cannot meet the needs of high-end products, and achieve the effect of meeting the needs of high-end products
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[0025] refer to Figure 1 to Figure 11The 12mm fixed-focus machine vision lens provided by the present invention includes a lens barrel 1 and a lens combination structure 2 installed in the lens barrel 1. The lens combination structure includes a first lens 20, a second lens 21, and a central axis on the same horizontal line. The third eyeglass 22, the fourth eyeglass 23, the aperture 24, the fifth eyeglass 25, the sixth eyeglass 26, the seventh eyeglass 27, the eighth eyeglass 28 and the ninth eyeglass 29, the first eyeglass 20 is set to "meniscus" shape Structure, the front surface is a convex surface with a radius of 40.49±0.1mm, the back surface is a concave surface with a radius of 10.485±0.1mm, the distance b1 between the center point of the front surface and the center point of the back surface is 4.22±0.1mm, and the edge thickness b2 is 5.86±0.1mm; the front curved surface of the second lens 21 is set as a convex surface with a radius of 17.357±0.1mm, the back curved s...
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