Sony E-mount folks will get a new lens before the end of this month. Venus Optics will launch a new 12mm f/2.8 E-mount lens on July 30.
The lens specs will be:
Image circle: 24×36
Field of view: 121.96°
Optical formula: 16 elements, including 2 aspherical elements and 3 elements made of glass with anomalous dispersion, in 10 groups
Number of aperture blades : 7
Aperture range: f/2.8 – f/22
Minimum focusing distance: 0.18m
Maximum magnification: 0.2x
Maximum diameter: 74.8mm
Weight: circa 570g.
UPDATE: The lens will be available in Canon / Nikon / Sony A / Pentax K / Sony FE mount.