Based in Oregon, Novagrade builds, designs, and assembles all of its products in the USA and is a leader in its industry. Novagrade technology allows the user to take their phone, tablet, or camera and attach it to a spotting scope for breathtaking photos and videos, or for quick and easy long-range viewing when in large groups. These adapters are compatible with any eyepiece, so no matter what type of spotting scope you use these adapters will fit.