Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope)<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"> 2” SCT mirror diagonal with high performance XLT coatings </span></li><li><span class="a-list-item"> 1/10th wave mirror is tested with an interferometer to ensure quality </span></li><li><span class="a-list-item"> Housing is precision machined to achieve and hold good optical alignment. </span></li><li><span class="a-list-item"> Includes a 2” to 1.25” adapter and aluminum carry case </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31oODFfU-VL.jpg" noproxy>