US Patent 7184226 Hybrid lens system and mobile phone employing the same

A hybrid lens system includes, in order from an object side to an image side: a first positive lens, a second negative lens, and a third positive lens. The first lens is made of glass material. The second and second lenses are both made of plastic material and respectively have two aspheric surfaces. The hybrid lens system is capable of resisting scraping and providing high imaging quality.