ARRI Ultra Prime Lenses product page

Ultra Prime Lenses
Highest performance over the entire focusing range

Ultra Prime lenses have the widest focal range of prime lenses giving you the flexibility to get the coverage you want. The Ultra Prime lenses are lightweight standard speed lenses that are a perfect optical match to the high speed Master Prime lenses. They have been developed in a cooperation of ARRI and Carl Zeiss.
  – Well controlled distortion and breathing
  – Superior close focus ability
  – Floating elements design
  – Easy-to-read calibrated scales
  – Uniform diameters
  – Particularly robust and easy to service