Zeiss's ultra-wide for Canon EF — Distagon 18mm f/3.5 with T* coating and electronic contacts.
The Zeiss 18mm f/3.5 Distagon ZE T* is a manual-focus ultra-wide for Canon EF mount. The Distagon formula provides well-corrected 18mm coverage with T* coating. ZE — Canon EF with electronic contacts for EXIF.
Optically very good — Distagon formula handles ultra-wide well with low distortion. T* coating for flare control. Manual focus with smooth precision helicoid. Electronic contacts provide aperture and EXIF communication on Canon bodies.
Canon EF mount (ZE) with electronic contacts. 82mm filter thread — large for 18mm. Approximately 470g. No weather sealing. Manual focus only. Full-frame 18mm coverage with 100° field of view.
Available used at mid-range to professional prices. The Milvus 18mm improved with weather sealing. The ZE electronic contacts are practical on Canon. For Canon EF manual-focus enthusiasts wanting Zeiss ultra-wide quality.