Designed to look and feel exceptional, Opticron Imagic TGA WP binoculars offer a host of features normally reserved for higher priced instruments. Fitted with BAK4 prisms and utilizing a differential multi-coating system with high refractive index coatings on the eye lenses and objectives, the models deliver excellent clarity and contrast and will match or outperform many roof prism binoculars costing $300 or more. 50mm models are especially suited to star gazing. Other features include nitrogen waterproof construction, rotating retractable eyecup assembly with extension lock, click stop right diopter adjustment, integral tripod adapter socket and Limited Lifetime Warranty.