| 摘要 |
<p>The present invention provides an anamorphic optical system 1, comprising one aspheric surface lens G5 and one anamorphic lens G3 on object side, and one aspheric lens G7 and one anamorphic lens G8 on image side with a diaphragm S11 therebetween, and an effective field angle is set to 200° or more at maximum in horizontal direction.</p> |
