A photographing apparatus comprising: a photographing lens system consisting of: a first lens comprising an object-side surface convex toward an object side, and an image-side surface concave toward an image side, the first lens having a negative refractive power; a second lens comprising an object-side surface convex toward the object side and an image-side surface convex toward the image-side, the second lens having a positive refractive power; a third lens comprising an image-side surface concave toward the image side, the third lens having a negative refractive power; a fourth lens comprising an image-side surface convex towards the image side and an object-side surface concave towards the object side, the fourth lens having a negative or positive refractive power; a fifth lens having a negative refractive power; and a sixth lens comprising an image-side surface concave toward the image side and the object-side surface of the sixth lens is convex toward the object side, the sixth lens having a negative or positive refractive power, wherein the first to sixth lenses are sequentially arranged in a direction from the object side to the image side, and an image sensor located on the image side of the photographing lens system and configured to receive an image formed by the photographing lens system and convert the image into an electric image signal; wherein the photographing apparatus satisfies at least one of the following expressions: 0.65 < TTL / DI < 0.8, and 1.2 < TTL / CT < 1.8, wherein TTL is a distance from the object-side surface of the first lens to the image sensor, DI refers to a diagonal length of the image sensor, and CT refers to a sum of center thicknesses of the first to sixth lenses measured along an optical axis; and wherein the photographing lens system further comprises an aperture stop disposed between the object-side surface of the first lens and the third lens. a photographing lens system consisting of: a first lens comprising an object-side surface convex toward an object side, and an image-side surface concave toward an image side, the first lens having a negative refractive power; a second lens comprising an object-side surface convex toward the object side and an image-side surface convex toward the image-side, the second lens having a positive refractive power; a third lens comprising an image-side surface concave toward the image side, the third lens having a negative refractive power; a fourth lens comprising an image-side surface convex towards the image side and an object-side surface concave towards the object side, the fourth lens having a negative or positive refractive power; a fifth lens having a negative refractive power; and a sixth lens comprising an image-side surface concave toward the image side and the object-side surface of the sixth lens is convex toward the object side, the sixth lens having a negative or positive refractive power, wherein the first to sixth lenses are sequentially arranged in a direction from the object side to the image side, and a first lens comprising an object-side surface convex toward an object side, and an image-side surface concave toward an image side, the first lens having a negative refractive power; a second lens comprising an object-side surface convex toward the object side and an image-side surface convex toward the image-side, the second lens having a positive refractive power; a third lens comprising an image-side surface concave toward the image side, the third lens having a negative refractive power; a fourth lens comprising an image-side surface convex towards the image side and an object-side surface concave towards the object side, the fourth lens having a negative or positive refractive power; a fifth lens having a negative refractive power; and a sixth lens comprising an image-side surface concave toward the image side and the object-side surface of the sixth lens is convex toward the object side, the sixth lens having a negative or positive refractive power, wherein the first to sixth lenses are sequentially arranged in a direction from the object side to the image side, and an image sensor located on the image side of the photographing lens system and configured to receive an image formed by the photographing lens system and convert the image into an electric image signal; wherein the photographing apparatus satisfies at least one of the following expressions: 0.65 < TTL / DI < 0.8, and 1.2 < TTL / CT < 1.8, wherein TTL is a distance from the object-side surface of the first lens to the image sensor, DI refers to a diagonal length of the image sensor, and CT refers to a sum of center thicknesses of the first to sixth lenses measured along an optical axis; and wherein the photographing lens system further comprises an aperture stop disposed between the object-side surface of the first lens and the third lens.