6mm Datong Light Day and Night Confocal HD Lens

Abstract

The invention relates to a 6mm Datong light day and night confocal high-definition lens. Concave lens A-1, biconvex lens A-2, concave lens A-3, rear group B includes biconvex lens B-1, biconvex lens B-2, concave lens B-3, biconvex lens B-2 and concave lens B-3 arranged in sequence 3 Form a glued group, the air gap between the front group A and the rear group B is 1.1mm, the air gap between the concave lens A-1 and the double-convex lens A-2 is 1mm, and the air gap between the double-convex lens A-2 and the concave lens A-3 The air gap between the double-convex lens B‑1 and the glued group is 0.1mm, and the air gap between the double-convex lens B‑1 and the glued group is 0.1mm. Light can also be clearly imaged.

Description

technical field [0001] The invention relates to a 6mm Datong light day and night confocal high-definition lens. Background technique [0002] At present, there are many Datong optical fixed-focus lenses used in security systems on the market. However, because many products cannot solve the problems of serious purple fringing and poor confocal day and night, the imaging results are not satisfactory, so that more lenses must be used. The number of lenses is required to achieve a more perfect effect, which greatly increases the cost of the product. At present, in the security industry, there are few low-cost and high-quality Datong optical wide-angle, low-temperature drift fixed-focus lenses in the true sense. Contents of the invention [0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a 6mm Datong Light day and night confocal high-definition lens. [0004] In order to solve the above technical pr...

AI Technical Summary

Problems solved by technology

[0002] At present, there are many Datong optical fixed-focus lenses used in security systems on the market. However, because many products cannot solve the problems of serious purple fringing and poor confocal day and night, the imaging results are not satisfactory, so that more lenses must be used. The number of lenses to achieve a more perfect effect, and thus greatly increase the cost of the product

At present, in the security industry, there are few low-cost and high-quality Datong optical wide-angle, low-temperature drift fixed-focus lenses in the true sense.

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