Vortex Pro Binocular Adapter Stud and improved resolution

and improved resolution

and the back is flat so it doesn't conflict with a backpack

These little 8x20 Trinovid compacts weigh just 8

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

4 ounces even with its shock resistant rubber armoring

Vortex Pro Binocular Adapter Stud and improved resolutionThe 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.