The most important designs
Overview: there are opera glasses, marine binoculars, roof prism or Porro prism designs. Is that everything? Is there anything else?
It’s easy to use a pair of binoculars, but producing good binoculars is not so simple. The design, performance characteristics and quality must be aligned with one another, and be suitable for the intended use. In addition to optics, mechanics also play a role. What's important and what you need to know.
This has nothing to do with architecture: the unbeatable advantages of the classic Porro and the more modern roof prism construction types.
Nitrogen purging or not? This is not open to question, because it offers advantages that everyone welcomes...
Simply zoom in on an object with binoculars: sounds very practical. But only if there are no downsides.
The optics must be good: that much is clear! But it’s important to also know what you should pay attention to when it comes to the mechanics.