EF-Mount Lens/Full-Frame Format | Aperture Range: f/3.5 to f/22 | Four UD Elements, One Aspherical Element | Subwavelength Coating | Rear Focusing System | Maximum Tilt: +/- 8.5° | Maximum Shift: +/- 12mm | Mount Rotation: +/- 90° | Locking Tilt-Shift Mechanism | Rounded 8-Blade Diaphragm | 2 Year Warranty