On most of standard size binoculars models, there will be a thumb lever or wheel placed conveniently within reach so you can adjust the magnification without changing your grip or taking the eyepieces away from your eyes.
A perfect binocular for any birder or hunter out at sea. The waterproof capability of the Sightron SII WP Series 10x50mm Binocular will provide an excellent and anxiety-free experience.Specifications:..