A shadowless aperture high speed mobile phone comprising a handle, a head connected to the end of the handle, a high speed drill needle disposed on the head, and an illumination source disposed on the head； characterized in that: illumination The light source comprises an annular reticle disposed at a front end of the handpiece and surrounding the bur, and a plurality of light emitting diodes (LEDs) arranged annularly inside the handpiece and projecting light to the annular reticle ). The illumination light that exits through the annular reticle is a ring-shaped coaxial light source parallel to the bur. The light source can be accurately placed on the burr-treated part and its related periphery, without obstruction and without shadow, and enhances effective illumination.一種無影光圈高速手機，包括一手柄、連接在該手柄端部的一機頭、設於該機頭的一高轉速鑽針、以及設於該機頭的一照明光源；其特徵在於：照明光源包括設於該機頭前端且圍繞該鑽針而設的一環狀光罩，以及環狀排列設於該機頭內部並向該環狀光罩投射光線的數個發光二極體(LED)。通過環狀光罩而向外出射的照明光線是與鑽針平行的環狀同軸光源，光源可準確的投注在鑽針處理的部位以及其相關周邊，無遮擋，無陰影，提昇有效照明。
