| 摘要 |
<p>PURPOSE: An optical image forming lens system is provided to implement a wide angle photographing while having stable design and high productivity. CONSTITUTION: A first lens group(110) rotates an incident light from a subject in vertical to incidence direction and has a positive refraction power. A second lens group(120) has a negative refractive power. The third lens group(130) has the positive refractive power. An optical system has the first, second, third lens group which are aligned successively.</p> |
