Dear Tamron product users and potential purchasers. Thank you for your interest in Tamron products. We would like to announce that we found an issue with our 17-28mm F/2.8 Di III RXD (Model A046) for SONY mirrorless cameras. [Symptom] When you use flashes, there is a delay from the time the shutter button is pressed to the time the shutter and the flash release. Applicable camera models: α7, α7Ⅱ, α7R, α7RⅡ, α7S, α7SⅡ, α5000, α5100, α6000, α6300, α6500, NEX-3N, NEX-5R, NEX-5T, NEX-7, NEX-F3,...