What We Like
+Expanded 16-30mm focal range provides wider ultra-wide perspective than predecessor 17-28mm model
+Lightweight and compact at 440g with fast f/2.8 constant aperture ideal for travel and handheld shooting
+Fast, quiet VXD autofocus with excellent tracking performance for both stills and video
+Excellent value at $929 USD, significantly less than competitor Sony GM and native alternatives
+Robust weather sealing with fluorine front coating suitable for outdoor and challenging conditions
+Tamron Lens Utility software enables firmware updates and customizable button functions including astro focus lock
Worth Knowing
−No aperture ring on barrel requires controlling aperture via camera controls only
−Moderate barrel distortion at 16mm wide end and noticeable vignetting when shooting wide open
−No in-lens image stabilization; relies on camera body stabilization if available
−Bokeh exhibits soap-bubble effect at ultra-wide angles typical of the focal range class