Zeiss is rumored to announce a new wide-angle prime lens in September, 2015.
According to recent Zeiss rumors, it will be wide-angle prime in the Otus line up designed for DSLRs with full-frame image sensors.
Zeiss has the Otus 1.4/85 and 55mm f/1.4 lenses in the family and expected to add a new member to the lineup this September.
New Zeiss Otus Wide Angle Prime Lens To Be Announced in September
The new Zeiss Otus wide angle prime lens will definitely have a large aperture like f/1.4 but on the other hand it is unknown if it will be a 24mm f/1.4 or 25mm f/1.4.