This binoculars for adults is very easy to focus and use: adjust the binoculars to the correct position according to your eyes, and then rotate the center wheel to focus. No double vision.
The center focus wheel is sensitive and non-slip. It can be easily turned with just one finger to get a clear image. The focus wheel surface is soft rubber to prevent your fingers from wearing out during long-term rotation. So it is convenient when you look at things for a long time
These binoculars offer a wider field of view, providing brighter, clearer images and more comfortable observation. There are no color shifts or blurred images. So you can observe a lot of things without actually adjusting their position.