Brilliant evolution tamronlsquos all in onetrade zoom lens evolution continues announcing an exceptional new lens for full frame dslrs since the launch of its first versatile high performance high power zoom the 28 200mm model 71d in 1992 tamron has continued to expand its long range zoom portfolio in response to the growing popularity of full frame digital slr cameras tamron is now launching a new full frame high power zoom incorporating pzd piezo drive a standing wave ultra