Tamron 20mm F/2.8 Di III OSD M1:2 (SONY E)

Tamron 20mm F/2.8 Di III OSD M1:2 (SONY E) firmware

Tamron · 20mm F/2.8 Di III OSD M1:2 (SONY E) · F050 · Lens

Latest firmware for the Tamron 20mm F/2.8 Di III OSD M1:2 (SONY E) is v3 (March 28, 2022).

Specifications

20mm F/2.8 Di III OSD M1:2 (SONY E) specifications

Focal length
20mm
Maximum aperture
F2.8
Type
Prime Lens
Filter thread
67 mm
Elements / groups
10/9
Aperture blades
7
Closest focus
0.11 m
Maximum magnification
0.5×
Stabilisation
No
Autofocus
Yes
Mount
Sony FE
Weight
220 g
Dimensions
64 × 73 mm

Changelog

20mm F/2.8 Di III OSD M1:2 (SONY E) firmware changelog

  1. v2 first tracked

  2. v2 v3

Firmware history

  1. Version 3 Latest Released Mar 28, 2022 First seen Jul 4, 2026
    Show release notes

    This update im​proves the following issue. The focus mode may switch from AF to MF during ​video recording with the SONY α7IV.

    Release notes & download
  2. Version 2 First seen Jul 4, 2026
    Show release notes

    This update improves the f​ollowing issue which may rarely occur. If the viewfinder (monitor) image gets severely out of focus, the AF operation stops in the middle and the focus ind​icator lights up even though it is not in focus. Updated Serial Number: 010287 or later

    Release notes & download

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