| 摘要 |
PURPOSE: A zoom lens system and a photographing apparatus including the same are provided to maintain the high zoom magnification regardless of the thickness of the apparatus by including lens groups with different refractive indexes. CONSTITUTION: A first lens group(G1), a second lens group(G2), a third lens group(G3), a fourth lens group(G4), a fifth lens group(G5) are successively located from the objective side to the image side along an optical axis. The first lens group, the third lens group, the fourth lens group, and a fifth lens group include positive refractive index. The second lens group includes negative refractive index. |
