Spectrum test fixture

The utility model relates to the field of clamps, in particular to a spectrum test clamp. Comprising a bottom plate, a fixing plate is arranged on the bottom plate, a sliding mechanism is arranged on the fixing plate, the sliding mechanism moves in the direction close to or away from the fixing plate, an abutting plate parallel to the fixing plate is arranged on the sliding mechanism, and a lens to be tested is arranged between the abutting plate and the fixing plate. The abutting plate is also provided with a test hole for the light source to pass through. The bottom plate and the abutting plate are further provided with a fixing mechanism, and the fixing mechanism is used for fixing the abutting plate to the bottom plate. Through the arrangement of the fixing mechanism and the sliding mechanism, the to-be-tested lens can be directly installed between the sliding mechanism and the fixing plate and is fixed through the fixing mechanism, the position does not need to be adjusted before testing, and the testing