Orion 5559 1.25-Inch SkyGlow 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"> Specialized astrophotography filter designed for deep-sky imaging in light polluted skies with CCD or DSLR cameras </span></li><li><span class="a-list-item"> The SkyGlow Imaging filter suppresses up to 99% transmission of specific light wavelengths responsible for light pollution </span></li><li><span class="a-list-item"> Enhances contrast of all types of deep-sky objects: galaxies， nebulas， and star clusters </span></li><li><span class="a-list-item"> Filter with metal filter cell construction preserves neutral color balance， eliminating need for corrective color processing later </span></li><li><span class="a-list-item"> Enables longer astrophotographic exposure times without background saturation due to sky glow </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51t5XzX7WsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41D6QXfV3gL.jpg" noproxy>