Tokina's AF 20mm f/2 for Sony FE — same as ID 979, possible duplicate listing.
The Tokina FiRIN 20mm f/2 AF FE is the autofocus version of Tokina's FiRIN 20mm f/2 ultra-wide prime for Sony FE-mount full-frame mirrorless cameras. The AF FE version adds in-lens autofocus motor, distinguishing it from the manual-focus MF version. Sony FE mount.
f/2 maximum aperture. 20mm focal length. Autofocus (AF). Approximately ten elements in nine groups. 62mm filter thread. Full-frame coverage. Sony FE mount.
The 20mm f/2 provides a wide field of view with a reasonably fast maximum aperture — notably faster than most 20mm ultra-wides which start at f/2.8. The AF version provides in-lens autofocus compatible with Sony A-series bodies' phase-detect AF systems. The FiRIN series is Tokina's mirrorless-native design line, optimised for the shorter flange distances of mirrorless systems.
On the used market the Tokina FiRIN 20mm f/2 AF FE is an affordable autofocus ultra-wide prime for Sony full-frame mirrorless. Condition checks: AF response and accuracy, 62mm front element for marks, aperture blade smoothness, FE mount contacts. Verify firmware update status for latest Sony body compatibility.