Orion 5451 Dark Frame Imaging Filter 1.25-Inch (Black)<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"> Capture dark frames quickly to optimize astro photo quality </span></li><li><span class="a-list-item"> Easily eliminate camera noise and hot pixels </span></li><li><span class="a-list-item"> Opaque filter blocks all light from imaging camera sensors </span></li><li><span class="a-list-item"> Allows automated dark frame capture when used with an optional filter wheel or slider </span></li><li><span class="a-list-item"> Threaded for use with 1.25 inch camera nosepieces， 1.25 inch filter wheels， and 1.25 inch filter sliders </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51cvOyCNo-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51PvznISa3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/71UHAxoo1PS.png" noproxy>