With the Nature DX series, you'll get the important features you're looking for, like fully multi-coated optics and BaK-4 prisms, but they are still competitively priced. The Nature DX can withstand harsh weather; its fully waterproof housing is purged of air and filled with dry nitrogen gas.
Celestron 10x42 Nature DX Binocular. The 10x magnification and larger size objective lens provides clear and sharp brighter images with real life colors. The binocular is best choice for hunting, wild life view, nature view and out door activities.
This Celestron Binocular is an excellent beginner binocular with high-quality optics at an affordable price. This Celestron Binocular feature BaK-4 prisms for maximum light transmission and multi-coated optics.
The Celestron UpClose G2 7x35 Porro Prism binoculars in this Birder's Starter kit have high-quality optics and BK7 prisms for a sharp and clear view during outdoor birding or sporting activities. They centrally focus with dioptre compensation, as well as multi-coated optics, which increase light transmission and result in brighter images with high contrast levels.