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.
Witness Nature in some Sharp, Clear Views with the Bresser Montana Waterproof Binoculars!ED glass, super high reflection coatings and a lightweight but extremely rugged magnesium frame elevate Bresser..
A wonderful pair for birders and hikers. Optimized for bird watching.Size: 10x42Type: Full Size Magnification: 10xFOV at 1,000 yards: 342'Prism: Bk7Close Focus (m): 6Focus:..