Lens2scope 10mm 1:4 Eyepiece for SONY Alpha mount Lens， Straight View， Black<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"> 10mm 1:4 eyepiece for SONY A mount lens with max aperture lever </span></li><li><span class="a-list-item"> 42 degree apparent field of view with straight observation view </span></li><li><span class="a-list-item"> 20mm long eye relief with foldable rubber eyecup for eyeglass observation </span></li><li><span class="a-list-item"> Convert a telephoto lens to a spotting scope， or a macro lens to a long working distance loupe </span></li><li><span class="a-list-item"> Detachable tripod mount design ; Fast Release metal lens mount </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/413Ix741u4L.jpg" noproxy>