The tamron 28 300mm f35 63 di vc pzd is a high power all in one zoom lens with splashproof construction for full frame dslrs this lens delivers superb image quality in a remarkably compact lightweight package and is the fruit of tamrons program of extensive technological development over the years perfect for travel this lens incorporates a new cosmetic design and finish plus tamrons pzd piezo drive a standing wave ultrasonic motor system optimised for swift quiet autofocus