Orion 10103 1/4-Inch-20 Adapter for EQ1 Telescope Mount<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"> Provides threaded post for attaching instruments equipped with a 1/4"-20 threaded socket </span></li><li><span class="a-list-item"> Installs securely onto mount head of Orion EQ-1 equatorial mounts </span></li><li><span class="a-list-item"> Vital accessory for obtaining star-trail photos with your EQ-1 mount and a camera </span></li><li><span class="a-list-item"> Useful for attaching spotting scopes to the EQ-1 equatorial mount </span></li><li><span class="a-list-item"> Knurled wheel makes it easy to attach and detach 1/4"-20 equipped instruments </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41yOlS9unoL.jpg" noproxy>