Tamron 12-20mm f/2.8 Lens Specifications

A full frame very wide angle zoom.

  • Coverage: FX (full frame) 
  • Angle of View: 121°58' (diagonal)
  • Optic design:
    • 17 elements in 12 groups
    • 1 XGM aspherical, 3 aspherical, other special elements
    • BBAR-2, Fluorine coating
  • Stabilization
    • No correction (use camera’s sensor VR)
  • Aperture:
    • f/2.8 to f/16, aperture ring can be declicked
    • 12-blade aperture diaphragm
  • Filter/Accessories:
    • rear filter holder only
    • integrated petal lens hood
  • Focus:
    • autofocus, internal
    • 7" (0.18m) minimum focus at 12mm, 11” (0.28m) at 20mm
    • maximum magnification 1:5.8 at 12mm, 1:9.1 at 20mm
    • VXD focus motor
    • no DOF markings
  • Size and weight (maximum; varies with mount):
    • 4.8” (121.3mm) long
    • 2.9” (90mm) diameter
    • 20.7 ounces (585g) weight
  • Other
    • Weather sealed construction
    • Fn button (multiple options)
    • Zoom lock switch
    • USB-C port for Tamron Lens Utility
    • Customizable control ring
    • AF/MF switch
  • Price: US$1799
  • Model: A084
  • Announced: July 15, 2026
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