Answer: Hi, it all depends on what kind of birds and in what conditions you want to watch. The multiplicity of the device depends on this, some birds let them get close enough, while others cannot be approached even a hundred meters away. That is, it is not about binoculars, but about the conditions and types of birds that you have chosen to observe. Best of all, the analysis of binoculars and their characteristics are described in the article https://best-birding-binoculars.com So my advice to you is, immediately decide which birds and where you want to listen, and then choose binoculars