Patent ID: 8917460

Claim:
A fixed focus lens system comprising: a first lens group having a negative refractive power and comprising a first lens having a negative refractive power, a second lens having a negative refractive power, and a third lens having a positive refractive power, wherein the first through third lenses are sequentially arranged from an object side to an image side; and a second lens group having a positive refractive power and comprising two lenses having an Abbe's number of 80 or greater, wherein the second lens group comprises a fourth lens having a positive refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power, wherein the fourth through sixth lenses are sequentially arranged from the object side to the image side, wherein the first lens group and the second lens group are sequentially arranged from the object side to the image side.