Trail talk: choosing a loupe
The study of many aspects of natural history, both indoors and in the field, can often be aided by the use of a magnifying lens, also called a hand lens, or loupe. There are cheap loupes and there are expensive loupes. There are really poor loupes and there are excellent loupes. What there isn't, is a really good cheap loupe. But it is possible to buy one that isn't too scarily expensive.