Tamron 20-40 f/2.8 Lens Specifications

A full frame wide angle zoom.

  • Coverage: FX (full frame) 
  • Angle of View: 46°49' to 94°30' (diagonal)
  • Optic design:
    • 12 elements in 10 groups
    • 3 aspherical, 4 LD elements
    • BBAR-G2, Fluorine coating
  • Stabilization
    • No correction (use camera’s sensor VR)
  • Aperture:
    • f/2.8 to f/22
    • 9-blade aperture diaphragm
  • Filter/Accessories:
    • 67mm front filter threads
    • lens hood included
  • Focus:
    • autofocus, internal
    • 7" (0.17m) minimum focus at 20mm, 11” (0.29m) at 40mm
    • maximum magnification 1:3.8 at 20mm, 1:5.1 at 40mm
    • VXD focus motor
    • unique Astro focus lock mode
    • no DOF markings
  • Size and weight (maximum; varies with mount):
    • 3.5” (88.7mm) long
    • 2.9” (74.4mm) diameter
    • 13.4 ounces (380g) weight
  • Other
    • zoom lock switch
    • moisture-resistant construction
  • Price: US$729
  • Model: A062Z
  • Announced: October 8, 2026
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