A secondary optics component and a LED lamp are presented, to improve the problem that the light distribution of prior LED lamp can not satisfy the needs of water working. This secondary optics component includes: a seat has a first surface and a second surface, with a light source receiving portion is set on the first surface and a light guiding portion connects with the second surface of the seat, with the surface of the light guiding portion has a concentrating camber and a steering camber which are bulged outward, with the concentrating camber faces to the light source receiving portion, and the steering camber connects with the concentrating camber and the second surface of the seat.一種二次元件及LED燈具,用以解決目前LED燈具配光方向無法符合水上作業所需的問題。本發明的二次元件包含:一座體,該座體具有一第一表面及一第二表面,該第一表面設有一光源結合部;及一導光體,該導光體連接於該座體的第二表面,該導光體的表面具有向外凸出的一集中弧面及一轉向弧面,該集中弧面與該光源結合部相對,該轉向弧面連接該集中弧面與該座體的第二表面。1‧‧‧座體11‧‧‧第一表面12‧‧‧第二表面13‧‧‧光源結合部2‧‧‧導光體21‧‧‧集中弧面22‧‧‧轉向弧面S‧‧‧容置空間
