Color measuring fixture

摘要

The present invention provides utilize the device and method that the improvement photo for being suitable for measuring tooth whiteness is generated using the handheld cameras of phase machine clamp.The phase machine clamp includes the pedestal of contact surface.The phase machine clamp further includes hood, and the hood is made of the tubular structure of restriction internal cavity.The phase machine clamp further comprises the slit in the tubular structure, and the slit is away from the handheld cameras is supported at the scheduled distance of target, wherein the target can be the tooth of user.The slit is by the camera lens of the handheld cameras and the target alignment.In addition, the hood stops the essentially all ambient light other than the light of the light source of the handheld cameras, prevent it from reaching the target being just photographed.