Product photo of the Tamron 16-50mm F2.8 A published by DPReview. The barrel is marked 16-50mm F2.8 A. Tamron 16-50mm F2.8 A (model B091) for Sony E, Canon RF, Fujifilm X, and Nikon Z. DPReview: $529 for E and X,… Read moreTamron 16-50mm F2.8 A for Four Mounts: $529 or $549, Nikon Z Is 121.3mm