Buy from Amazon.com : http://fave.co/1BuaDdj <br /><br />Sigma 70-300mm F4-5.6 DL Macro Super Lens for Pentax-AF Camera<br /><br />Product Description : <br />Dedicated to Pentax AF SLR cameras <br />Ultra-telephoto telephoto and macro photography all in one lens <br />High magnification of 12 one half life-size for macro photography <br />Lens constructed of an ecological lead and arsenic-free glass <br />14 elements in 10 groups
