World's First T8 90 Degree Probe Zoom Lens - Redefining Macro Cinematography with Unprecedented Flexibility.X-tract 18-28mm T8 90 Degree Probe Zoom Lens is a groundbreaking innovation in macro cinematography establishing another industry first - the initial 90 Degree probe zoom lens with a T8 aperture and 18-28mm zoom range, unlocking unprecedented creative flexibility for filmmakers to capture stunning close-up visuals from unique right-angle perspectives.Premium Image QualityThe X-tract 90 Degree lens features a fixed 90 Degree optical path, bending light at a right angle to explore intricate details from unconventional viewpoints. Its 360 Degree rotating ring enables precise horizontal adjustments, while the square front element with a PET silver-coated reflective layer maximizes light transmission, delivering consistent illumination for premium image quality.T8 Aperture for Consistent Brightness Across all Focal LengthsDesigned for full-frame sensors and compatible with S35 formats, the lens provides an equivalent 22-35mm T8 focal range in Arri Alexa 35 Open Gate mode. Its constant T8 aperture ensures consistent brightness across all focal lengths.Maintain Focus During ZoomingThe X-tract 90 Degree lens introduces a new dimension to macro cinematography, bending the light path at a 90 Degree angle to explore unique perspectives and create immersive visuals. Its parfocal design ensures focus remains sharp during zooming, enabling smooth transitions and classic techniques like the Hitchcock dolly zoom effect.Precise and Smooth Focus ControlWith a 300 Degree focus throw, 2.1x magnification ratio, and 6mm minimum focus distance, the lens captures intricate details such as water droplets, insect wings, or miniature landscapes with stunning clarity and precision.Seamless Compatibility with Professional GearWeighing just 1.09-1.13kg and measuring 41.5-42.1cm in length, the X-tract 90 Degree lens is designed for agility and stability. Its rear-heavy design ensures better balance when used with tripods, sliders, stabilizers, or robotic arms, minimizing shake and simplifying focus and zoom adjustments.Built for Extreme ConditionsIP57 dustproof and waterproof rating guarantees reliable performance in extreme conditions. X-tract 90 Degree lens is perfectly suitable for various shooting environments as it is waterproof up to 28cm.