Vortex Pro Binocular Adapter Stud 4 ounces even with its

4 ounces even with its shock resistant rubber armoring

and improved resolution

so it works well for those with naturally good vision but strains your eyes if your vision is weak

Long eye relief with twist down eyecups also make this 3D binocular perfect for eyeglass wearers

With a huge 429-foot field of view at 1000 yards

Vortex Pro Binocular Adapter Stud 4 ounces even with itsThe Vortex Pro Binocular Adapter Stud connects your binocular to the Vortex Pro Binocular Adapter and can stay mounted to the binocular full time. One comes with the adapter, but if you have more than one binocular you want to attach to the tripod or you lose your binocular but not the tripod, this is all you will need.