The DZOFILM X-Tract 18-28mm Metric 360° T8 FF Peri Probe Macro Zoom Lens is a professional cinematography lens designed for macro applications with a PL mount and full-frame coverage. It offers a focal length range of 18-28mm with a field of view from 100° to 73°, maintaining a constant T8 aperture for consistent exposure control. The lens features a parfocal optical design that ensures stable focus during zooming and achieves a 2.1:1 magnification ratio with a minimum focus distance of 6mm for detailed close-ups. Made from aerospace-grade aluminum alloy, it is built for durability and has an IP57 rating for resistance to dust and water ingress. Key components include seven high-index lenses that enhance image clarity and reduce aberrations. The lens supports 360° continuous rotation for smooth adjustments without hard stops and is designed for reliability in demanding shooting environments. Its compact design facilitates handling, making it suitable for film, documentary, and specialized video production where precision and robustness are crucial.