Excursion Series 10x42 Binoculars Aperture_40mm this filter does an extremely

this filter does an extremely good job

8x Digital Zoom

The hinged ring system separates easily by loosening the oversized metal thumbscrews

Discover the universe the way Galileo did—with a hands-on telescope-building experience that inspires learning and exploration

Excursion Series 10x42 Binoculars Aperture_40mm this filter does an extremelyThe National Geographic Excursion Series 10x42 Binoculars are built for outdoor explorers who demand sharp, long distance views and reliable performance in any weather. Featuring fully multi coated lenses and premium BaK 4 prisms, these binoculars deliver bright, high contrast images with exceptional clarity, while the 42mm aperture ensures excellent light gathering powereven in low light conditions. With 10x magnification, they offer crisp detail at