TrailSeeker binoculars offer optical performance at a high level, ideal for demanding bird and nature lovers. The binoculars have a very good price / performance ratio. The rugged and superbly finished housing made of magnesium alloy allows an easy and fully waterproof unit, suitable for any weather. BaK-4 prisms with phase and dielectric compensation provide very high light transmission with very good image quality and clarity. In comparison with other binoculars in the same price class, delivering a better close focus and a larger field.