Binoculars with magnifying power between 1x and 6x are great choices for walking, hiking, and sporting events.
Binoculars with magnifying power between 7x and 9x work well for birding and daytime scenic viewing.
Binoculars with high magnification (higher than 12x) are the choice of amateur astronomers for nighttime viewing.
Binoculars with zoom magnification allow the user the option of choosing between a wider field of view and then zeroing in on a target.