The 18mm f/4 Distagon T* ZM Lens is a super-wide angle lens designed for full integration with TTL-exposure metering. It has a minimum focusing distance of 1.8" (0.5 m), and offers ultra-sharp resolving power and next to zero distortion. It lets you shoot demanding architectural interiors, and is perfect for extreme landscapes, inspiring architecture and demanding interiors. The range of T* ZM-mount lenses offers high standards in terms of performance, reliability and, of course, image quality. You can count on highly advanced flare control for crisp and brilliant images. And virtually zero geometric distortion, ensuring precise accuracy when reproducing shapes, especially useful when photographing products and architecture.