Orion 5564 1.25-Inch Luminance/IR Cutoff Astrophotography Filter<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"> IR filter blocks ultraviolet (UV) and infrared (IR) light wavelengths for higher contrast CCD images </span></li><li><span class="a-list-item"> Advanced coatings applied to the precision polished optical glass minimize in-band reflections </span></li><li><span class="a-list-item"> The 1.25" anodized aluminum cell threads into the nosepiece of an astrophotography camera or filter wheel </span></li><li><span class="a-list-item"> This an excellent luminance filter for LRGB astrophotography </span></li><li><span class="a-list-item"> Attaches easily to any 1.25" astrophotography accessory </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31fK1uIIqsL.jpg" noproxy>