Orion 8727 2-Inch Dielectric Mirror Star Diagonal<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"> 90 degrees 2" mirror diagonal features sophisticated， lab-tested dielectric coatings that provide an astounding 99% reflectivity </span></li><li><span class="a-list-item"> Dielectric mirror coatings are more durable than enhanced aluminum coatings and provide higher reflectivity for maximum view brightness </span></li><li><span class="a-list-item"> Machined and anodized aluminum housing features machine-threaded glare baffles for high contrast </span></li><li><span class="a-list-item"> Nosepiece barrel is threaded to accept 2" Orion filters， a 2"-1.25" step-down adapter is included </span></li><li><span class="a-list-item"> The diagonal is a great way to make nighttime viewing orientations through a refractor telescope more comfortable </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/413ZK77M1HL.jpg" noproxy>