AmScope EP10X305R WF10X Microscope Eyepiece with Reticle (30.5mm)<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"> 10X Magnification Power </span></li><li><span class="a-list-item"> Graduated in 1mm and 100 Graduations Overall </span></li><li><span class="a-list-item"> 30.5 mm Mounting Size (in diameter) </span></li><li><span class="a-list-item"> Wide Field of View </span></li><li><span class="a-list-item"> Manufactured under ISO 9001 Quality Control Standards </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SCbiEVFOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41RhWiaBnPL.jpg" noproxy>