The DZOFILM X-Tract 18-28mm T8 FF Peri Probe Macro Zoom Lens is a professional cinematography lens featuring a 90-degree right-angle probe design and a focal length range of 18-28 mm. This metric lens maintains a constant T8 aperture throughout the entire zoom range and offers distortion-free macro shooting capabilities. The parfocal design ensures consistent focus during zoom operations, while the ultra-low focus breathing of 0.5% allows for smooth focus transitions. The lens construction includes interchangeable front modules that enable switching between 90-degree and 0-degree viewing angles, providing versatile framing options for various shooting scenarios. With precise optical specifications, this probe lens is designed for durability and reliability in professional film production environments. The optical performance delivers high-quality images with minimal distortion, making it suitable for detailed macro work and close-ups in cinematography. The lens body is made from robust materials to withstand regular professional use while maintaining optical precision. The 90-degree probe configuration allows for unique shooting angles and perspectives that are difficult to achieve with conventional lens designs. This model is the successor to earlier probe lens designs, featuring improved optical performance and mechanical durability. The lens is compatible with full-frame camera systems and maintains consistent optical quality across the entire focal length range. Professional cinematographers will appreciate the precise control and reliable performance this lens offers for demanding production requirements.