From 16 to 17 November, the 7th Optoelectronic Conference organized by PCO S.A. under the patronage of the Defence24.pl media portal took place at the Winsor Hotel in Jachrance. The project, organized since 2015, this time was carried out under the motto “Optoelectronics key safety technology in the fresh reality”. It was not accidental, due to the fact that in the ongoing war in Ukraine it is optoelectronic solutions, including, above all, passive sensors that are hard to detect, who pass the exam during this conflict. Polish solutions are besides successfully utilized there, which confirms the directions of improvement chosen by Polish discipline and manufacture so far.