Imaging lens system and electronic device

The invention relates to an imaging lens system and an electronic device. An imaging lens system according to an embodiment of the present disclosure includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, and a tenth lens disposed in order from an object side toward an imaging plane. The following conditional expressions are satisfied: f number < = 1.69, and TTL/(2 * IMG HT) lt, wherein, TTL is the distance from the object side surface of the first lens to the imaging surface, and IMG HT is the height of the imaging surface. 本公开涉及成像透镜系统和电子设备。根据本公开的实施方式的成像透镜系统包括从物侧朝向成像面依次设置的第一透镜、第二透镜、第三透镜、第四透镜、第五透镜、第六透镜、第七透镜、第八透镜、第九透镜和第十透镜。满足以下条件表达式：f数≤1.69，以及TTL/(2×IMG HT)