Tamron released firmware v2 for the Tamron 17-28mm f/2.8 Di III RXD FE which you can download here.
This update improves the following issues which may rarely occur with certain settings.
1.The back monitor of camera instantly flashes when the shutter button is pressed halfway.
2.AF doesn’t work properly after the camera recovers from the sleep mode or power off.
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Tamron 17-28mm f/2.8 Di III RXD FE: B&H Photo / Amazon / Adorama
Tamron 28-75mm f/2.8 Di III RXD FE: B&H Photo / Amazon / Adorama
35mm F/2.8 Di III OSD M1:2(Model F053):
B&H Photo / Amazon / Adorama
24mm F/2.8 Di III OSD M1:2(Model F051):
B&H Photo / Amazon / Adorama
20mm F/2.8 Di III OSD M1:2(Model F050):
B&H Photo / Amazon / Adorama