SIRIUS ULTRA-VIOLET LATERAL VIEWING BORESCOPES Developed in partnership with Snecma (SAFRAN Group), initially for aeronautics engines FPI inspection, these EFER borescopes feature an optical system generating high resolution images and an illumination device transmitting high-power UV lighting. Both these characteristics, critical for engine FPI inspection, had previously never been coupled together in the various competing equipment found on the market. These EFER borescopes, which implement principles patented in over 15 countries, are manufactured by EFER under exclusive license from Snecma company.