What Do Binocular Numbers Mean? 8×42, Exit Pupil and Field of View Explained
8×42 means 8x magnification and 42 mm lenses. Here’s how to turn those two numbers into exit pupil, low-light performance and field of view, matched to your age.
Optics
Everything beyond the rifle scope: binoculars, spotting scopes, rangefinders, and night vision gear for hunters and shooters.