Optical lens system for afocal tele-optical attachment in front of a camera module

摘要

The invention relates to an optical lens system for an afocal Televorsatzoptik 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 at least a spherical lens surface and a total negative refractive power and the second lens unit has at least one aspheric lens surface and a total of a positive refractive power.