Vivitar 2X Teleconverter for Bower， Rokinon， Vivitar， Samyang， 500mm 800mm &amp; 650-1300mm T-Mount Lens<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" 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"> The Vivitar 2x Professional Multiplier is a high-quality teleconverter that delivers enhanced telephoto versatility. It multiplies the focal length by 2x， providing an affordable and portable way to extend your cameras reach. </span></li><li><span class="a-list-item"> The specialized lens elements virtually eliminate color aberrations. </span></li><li><span class="a-list-item"> The anti-reflection coating enhances light transmission efficiency， improves color consistency， and reduces flare. </span></li><li><span class="a-list-item"> Uses a convenient T-Mount adapter， and is used between your SLR camera and lens </span></li><li><span class="a-list-item"> Works ONLY with compatible T-mount Lenses </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41K3v0CbZVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31iFcyqt%2BjL.jpg" noproxy>