Neewer 4 Pieces Standard 2 inches Color Filter Set for Telescope Eyepiece: Red Yellow Green Blue， Perfect for Lunar and Planetary Observation<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"> Eyepiece filter set includes: (1)Red Filter + (1)Yellow Filter + (1)Green Filter + (1)Blue Filter. Note: The Telescope and Tripod Stand in the pictures are NOT INCLUDED </span></li><li><span class="a-list-item"> Designed to reduce glare and light scattering， perfect for lunar and planetary observation， allow you to see the details </span></li><li><span class="a-list-item"> Four colors green/red/yellow/blue provide more choices to suit for different planets </span></li><li><span class="a-list-item"> Optical glass lens， provides clear and sharp image; Lightweight and solid anodized aluminum frame </span></li><li><span class="a-list-item"> Standard 2 inches size， suitable for any 2 inches diameter eyepiece. Double-threaded， allow to be stacked in various combinations </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41r5Ej9WmcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41q%2BEQc6IpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41zdTz9yJuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41orp86ayJL.jpg" noproxy>