Q1: Is the Nikon tripod adapter needed for the Nikon Action Extreme Ultra wide, or can any standard adapter with 1/4" 20 threads be used?

A: Almost any will work, the best choice though is the Nikon because you are then guaranteed that it will fit correctly.

Q2: What tripod adaptor do I need for Nikon Monarch 10x42 binoculars?

A: The Zhumell L-Mount Tripod Adapter will do the job nicely. Here's the URL; just paste it into your browser's address window: http://binoculars.com/products/zhumell-l-mount-tripod-adapter-21799.html.

Q3: My binoculars are Nikon 10x50 Action. I want to purchase a tripod mount for star gazing. There is no visable screw mount on the binoculars. How do I attach the mount to the binoculars? There appears to be a "cap" on the front but I cannot remove it. I am afr

A: A plastic cap on the distal end of the hinge removes to reveal a tripod mount. Thread the bolt of a tripod adapter into the hole and attach the adapter to the tripod. Voila! Your binoculars are mounted on a tripod. Here's the URL for a universal tripod adapter; just paste it into your browser's address window: http://binoculars.com/products/zhumell-l-mount-tripod-adapter-21799.html.