The Zeiss Touit 2.8/12 Distagon T* is an ultra-wide angle prime lens for digital mirrorless Sony E and Fujifilm XF format cameras. The lens was announced in May 2013.
Distagon's optical scheme comprises 11 elements in 8 groups, including two aspherical glass elements and three anomalous dispersion glass elements. The elements are covered with a proprietary anti-reflective T* coating.
equivalent focal length 50 mm
angle of view (diag/hor/vert) 48° / 40° / 29°
working distance 29 cm
image diameter 28.2 mm
field covered at minimum focusing distance 214х142 mm (for APS-C)
max. magnification at minimum focusing distance 1:9