Do you have a Vixen PortaMount? Got a camera tripod with a 1/4" thread? Then introduce the two!
Just attach this solid, one-piece construction Vixen Tripod Adapter right to your camera tripod and your Vixen Porta Mount will mount into place. From there, you can add a telescope or binoculars, or... the sky is the limit! Imagine how much more versatile your existing equipment can become with just a simple adapter!