Tamron released a new firmware update for 20mm, 24mm, and 35mm F2.8 Di III OSD M 1:2 Lenses. The new firmware solves the issue of focus mode may switch from AF to MF during video recording with the SONY α7IV.
These ‘Di III OSD M1:2’ lenses are in three focal lengths: a 20mm f/2.8 Di III OSD M1:2, 24mm f/2.8 Di III OSD M1:2, and 35mm f/2.8 Di III OSD M1:2 lens. You can find the details of the Tamron firmware update below. Continue reading “Tamron 20mm, 24mm, 35mm f/2.8 Di III OSD M1:2 Lens Firmware Ver.3 Now Available”