本論文提出一種八百萬畫素十二倍光學變焦潛望鏡式手機鏡頭設計，為四群鏡組設計，其中第一群固定有三片鏡片與一個直角稜鏡，第二群有四片鏡片，第三群有三片鏡片，第四群有兩片鏡片。光學系統初階設計為f = 4 mm ~ 48 mm，半視角為30 ~ 2.755，F/# = 3 ~ 5.6，光學系統厚度為12 mm，長度為67.1 mm。
本光學系統將焦距分為五段並且加以分析，分別為Zoom1(4 mm)、Zoom2(15 mm)、Zoom3(26 mm)、Zoom4(37 mm)、Zoom5(48 mm)。當Zoom1的F/#為3，最大空間頻率為118 lp/mm，其MTF最小值為0.508。當Zoom2的F/#為3.65，最大空間頻率為97 lp/mm，其MTF最小值為0.578。當Zoom3的F/#為4.3，最大空間頻率為82 lp/mm，其MTF最小值為0.568。當Zoom4的F/#為4.95，最大空間頻率為71 lp/mm，其MTF最小值為0.605。當Zoom5的F/#為5.6，最大空間頻率為63 lp/mm，其MTF最小值為0.535。Zoom1到Zoom5的切向MTF與徑向MTF最大值差異為4.1%，發生在Zoom1焦段。Zoom1到Zoom5的光學畸變最大值為-1.999%，發生在Zoom1焦段。Zoom1到Zoom5的橫向色差最大值在3.9 μm，發生在Zoom1焦段。Zoom1到Zoom5的相對照度最小值為60.834%，發生在Zoom1焦段。

In this thesis presents a periscope type of twelve times zoom lens for eight mega pixel mobile phone camera. The zoom lens has four groups. The first group of zoom lens that has three piece of lenses and a right angle prism is fixed. The second group of zoom lens has four piece of lenses. The third group of zoom lens has three piece of lenses. The fourth group of zoom lens has two piece of lenses. The zoom lens has a half field of view of 30o to 2.7552o, a focal length range of 4 mm to 48 mm, a F/# of 3 to 5.6, the thickness of 12 mm and the total length of 67.1 mm.
In this zoom lens, we divided five segment analysis depend on effective focal length. The effective focal length is 4 mm, 15 mm, 26 mm, 37 mm, 48 mm. The F/# of Zoom1 is 3, and the minimum MTF is 0.508 at 118 lp/mm in Zoom1. The F/# of Zoom2 is 3.65, and the minimum MTF is 0.578 at 97 lp/mm in Zoom2. The F/# of Zoom3 is 4.3, and the minimum MTF is 0.568 at 82 lp/mm in Zoom3. The F/# of Zoom4 is 4.95, and the minimum MTF is 0.605 at 71 lp/mm in Zoom4. The F/# of Zoom5 is 5.6, and the minimum MTF is 0.535 at 63 lp/mm in Zoom5. The maximum absolute value of the difference between the tangential MTF and sagittal MTF is 4.1% in Zoom1. The maximum value of the optical distortion is -1.999% in Zoom1. The maximum value of the lateral color is 3.9 μm in Zoom1. The minimum value of the relative illumination is 60.834% in Zoom1.

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