B&H has the Rokinon 16mm f/2.0 ED AS UMC CS for both the Canon EF-S (click here) and EF-M (click here) mount available for pre-order. The expected shipping date is August 8 for the EF-S version and July 30 for the EF-M version. Price for both lenses is $479. Other brand names for the lens are Samyang/Bower.
- Aperture Range: f/2.0-22
- 25.6mm Equivalency in 35mm Format
- Two Aspherical Lens Elements
- One Extra-low Dispersion Element
- UMC Lens Coating
- Manual Focus
B&H posted a short preview of the lens with some sample images.