Varavon SLING Follow Focus (White)<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"> Provides an easy solution to adding follow focus to your DSLR. </span></li><li><span class="a-list-item"> Securely fastens to any diameter lens ring. </span></li><li><span class="a-list-item"> Can be used for focus and/or for zoom. </span></li><li><span class="a-list-item"> Extremely lightweight， 5 ounces. </span></li><li><span class="a-list-item"> Durable and convenient. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Z-7BDuEKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jK8LfKG0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51XMqJ9YOgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vySH5dGqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jBMkzPEmL.jpg" noproxy>