Microfiber cleaning cloths are true technological wonders. Made from two different materials (polyester and polyamide) spun together, the cloths have microscopic loops and bristles that scrub dirt safely from the most fragile surfaces. Then, instead of the crud scratching and smearing a glass surface, it’s channeled away through the tiny grooves formed in the weave. For cleaning scopes and binoculars, nothing works better, or easier, and it’s smart to carry one or more in your pack. When you’re ready to buy, here are three things to think about when it’s time to get a clearer view of things.