This high-performance wide-angle lens with its retro focus design provides outstanding performance even at full aperture. Its sharpness and contrast are exceptional across the entire image field.?The integrated super sonic wave motor (SSM) allows the Distagon to focus extremely fast and practically without any noise.(1) The wide rotation angle of the smooth-motion focus ring, which is free of play, also provides for precise manual focusing.?The Distagon T 2/24 allows you to capture small objects from very close up at almost full frame, while the wide angle of the lens reveals much of the surrounding foreground and background, which blend harmoniously out of focus when selecting a larger aperture. Highlight an area to grab attention or paint a wide picture with beautifully crisp detail the Distagon T 2/24 excels in both areas.