The Bolex 18-3 Duo is a projector designed for film projection, specifically supporting 8mm and Super 8mm film formats. Operating on standard 220V, 50 Hz mains power, this silent model projects at a speed of 18 frames per second and features a halogen lamp for illumination. Its construction emphasizes reliability for its intended use, with manual film feeding and focusing mechanisms that ensure user control. The projector weighs approximately 4.5 kg, making it a manageable device for home or educational environments.

This manual, written in German, serves as a comprehensive guide for the Bolex 18-3 Duo projector. It covers essential operational details, including film loading and focusing, alongside crucial maintenance procedures such as lens and exterior cleaning. Technical specifications and performance details are also included to provide a complete understanding of the device's capabilities. The purpose of this 12-page document is to assist users in operating, maintaining, and caring for their projector to ensure optimal performance and longevity.