I have tried a few but I like the one below the best out of all of them. Works great.
http://www.amazon.com/gp/product/B003AVESOK?psc=1&redirect=true&ref_=oh_aui_detailpage_o01_s00
Archerm his binoculars don't have a hole for that adaptor to thread into. He has to drill and tap a hole or use the clamp style adaptors.
Op send it out to outdoors man and have drilled and tapped then you have options. My favorite right now is field optics adaptor. I did a short comparison thread here while back