Patent ID: 9606268
Date: 2017-03-28
CPC Classifications: G02B,H04N

Claim:
1. A lens module, having an object-side and an image-side for capturing an object light-beam from the object-side, the lens module disposed on a transmission path of the object light-beam and comprising five lens groups from the object-side to the image-side: a first lens group with positive refractive-power; a second lens group with negative refractive-power; a third lens group with positive refractive-power, wherein the third lens group comprises a first lens with positive refractive-power, a second lens with negative refractive-power, and a third lens with negative refractive-power located between the first lens and the second lens group, and the first lens, the second lens, and the third lens form a cemented lens; a fourth lens group with positive refractive-power; and a fifth lens group with positive refractive-power, wherein the first lens group, the third lens group, and the fifth lens group are fixed groups, the second lens group and the fourth lens group are movable groups.