Ultra wide-angle prime is designed for full-frame Canon EF-mount cameras, however can also be used with APS-C models where it provides a 24mm equivalent focal length.

Bright f/2.8 maximum aperture suits working in available-light conditions and is also well-suited for astrophotography use.

Distagon optical design affords high sharpness, well-corrected image quality from edge-to-edge, and very low field curvature.

ZEISS T* anti-reflective coating has been applied to each lens surface to help minimize reflections and provide greater contrast and color fidelity.

Manual focus design enables a minimum focusing distance of 9.8".

All-metal lens barrel and mount offers high durability and rigidity.

Built-in petal-shaped lens hood blocks stray light and helps to reduce flare and ghosting.