Master Prime Lenses are both fast and have an optical performance surpassing that of all standard speed primes.
18mm T1.3 ARRI / Zeiss Master Prime
T-Stop Range - T1.3-22
Close Focus from Lens Front - 14"
Maximum Angle of View** Horizontal - 70.6°
Lens Font Diameter - 114mm
Weight - 4.8 lbs
Lens Data System - Yes
** Horizontal angle of view for an ANSI Super 35 Silent camera aperture (aspect ratio 1:1.33, dimensions 24.9mm x 18.7mm / 0.980" x 0.7362")
18mm T1.3 ARRI / Zeiss Master Prime