The tamron af18 200mm f35 63 xr di ii ld aspherical if macro is a high power zoom lens designed exclusively for digital slr cameras using the more compact aps c digital size image sensors the focal length of this lens is equivalent to approx 28 300mm in 35mm format designed as an all in one lens it will meet almost all photographic opportunities without changing lenses the 18 200mm zoom lens realizes an mfd minimum focus distance of 15 45 cm over the entire zoom range by th