Optical lens system for an afocal wide-angle adapter lens in front of a camera module
2016
The invention relates to an optical lens system for an afocal wide-angle adapter lens in front of a camera module of an electronic terminal, consisting essentially of a first object-side lens unit and a second image-side lens unit, wherein the first lens unit has at least one spherical lens surface as well as an overall negative refractive power and the second lens unit has at least one aspherical lens surface, and an overall positive refractive power.
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