Solomark 1.25 Inch Narrowband 10nm Oxygen-iii O-lll Nebula Eyepiece 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"> Recommended for use with telescopes of 8" aperture or greater for best results and for visual use only </span></li><li><span class="a-list-item"> Eyepiece filter features high quality optical glass in a double-threaded， metal filter cell </span></li><li><span class="a-list-item"> Completely blocks virtually all other visible wavelengths of light so views of nebulas are optimized </span></li><li><span class="a-list-item"> For viewing many common nebulas-Reduces glare and light scattering </span></li><li><span class="a-list-item"> Increases contrast through selective filtration-Anti-reflection coated to prevent glaring and ghosting </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Xyo684-hL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418Vy-V7c%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416quhr5KBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/312e%2Bpp9%2BFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41l5RVYaRSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31%2BscQfySnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41VMmO1hLIL.jpg" noproxy>