3rd ZEISS Batis Full-Frame E-mount Lens
The ZEISS Batis 2.8/18 (18mm f/2.8) is a super wide-angle lens for the Sony α system with E-mount (a7, a7R, a7S series).
Diagonal angular field of view is 99 degrees, and it has autofocus. The OLED display on the lens shows focus distance and depth of field.
The ZEISS Batis 2.8/18 joins the ZEISS Batis 2/25 and ZEISS Batis 1.8/85.
The 18 mm lens has 11 optical elements in ten groups and has a retrofocus, ZEISS Distagon optical design. Four of the lens elements are aspheric on both sides and seven are made from special types of glass. The Floating Elements design provides high image performance from minimum object distance to infinity.
In addition to the ZEISS Batis range of lenses, there are two further ZEISS ranges for Sony E-mount cameras: the ZEISS Touit and the ZEISS Loxia.
The ZEISS Batis 2.8/18 lens will be available beginning May 2016. The suggested retail price is US$ 1,499 (excl. tax).
Specifications
| Focal length | 18 mm |
| Aperture range | f/2.8 – f/22 |
| Focusing range | 0,25 m (9.8 ″) – ∞ |
| Number of elements/groups | 11/10 |
| Angular field, diag./horiz./vert. | 99° / 90° / 67° |
| Coverage at close range | 227 x 340 mm (8.9 x 13.4″) |
| Filter thread | M77 x 0,75 |
| Dimensions (with caps) | 95 mm (3.7″) |
| Diameter of focusing ring | 78 mm (3.1″) |
| Weight | 330 g (0.74 lbs) |
| Camera mounts | E-Mount |
