Canon EF 50mm f/1.8 STM Lens<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> 50mm focal length and maximum aperture of f/1.8 </span></li><li><span class="a-list-item"> Great for portraits， action， and nighttime photography </span></li><li><span class="a-list-item"> Minimum focusing distance of 1.15 ft. (0.35m) and a maximum magnification of 0.21x </span></li><li><span class="a-list-item"> Stepping motor (STM) delivers near silent， continous Move Servo AF for movies and smooth AF for stills </span></li><li><span class="a-list-item"> 80mm effective focal-length on APS-C cameras， 50mm on full-frame cameras </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ppKOcf2kL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31oJ3rIgyyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31bvhEb2l7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31o8RRiH%2BxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31R593SWVLL.jpg" noproxy>