US Patent 9939714 Intra-oral camera

A periscope module includes a mounting ring for mounting the periscope module over a camera lens of a mobile phone. A first periscope end is for attachment to the mobile phone at the mounting ring. A second periscope end is for capturing images. A periscope tube is connected between the first periscope end and the second periscope end. A light tube is configured for attachment to a light source from the mobile phone. The light tube is configured to receive light into the first periscope end, the light exiting the second periscope end so as to provide illumination for capturing intra-oral images.