Just a few days ahead of the official announcement, full specs have leaked on a new 13-30mm lens from Tamron.
Tamron SP 15 – 30 mm F / 2.8 Di VC USD G 2 (Model A 041) (Google Translated)
English Catalog
Lens construction: 13 groups 18 pieces
Shortest shooting distance: 0.28 m
Maximum...