It is mechanically sound. The lens itself is a bit scratched and it shows its age but it works fine. Key Features: Focal Length: 12–120mm (10x zoom range) Maximum Aperture: f/2.2 (constant throughout the zoom range) Format: Designed for 16mm film cameras (Super 16 compatible depending on version) Focus: Manual Zoom: Manual (often via a zoom ring or handle) Build: Solid metal construction, known for durability