The Master Prime lenses have been jointly developed by ARRI and ZEISS. They are both fast and have an optical performance surpassing that of all standard speed primes. Master Prime lenses open up new creative opportunities of film making.

The Master Prime lenses open up new creative opportunities, making shots possible that would have been considered impossible before. A widest stop of T1.3 allows shooting in low or available light for more natural-looking shots and a reduction of the lighting budget. In addition, a wide open stop creates the cinematic look of an extremely shallow depth of field.