A 35mm full-frame SLR system, which was very popular at the time. Initially, it was an extensive line of manual focus film cameras and lenses, but since 1987 it includes autofocus models, and since 2016 - digital cameras. As for the current state of the system, it includes one base digital SLR model and a set of lenses consisting of older smc FA / D FA designs updated to the modern HD coating, several models of the professional * (star) series, and models created in collaboration with Tamron.