ZEISS Demo Products ZEISS demo products have been slightly used for display or demonstrations by ZEISS during outdoor industry events. They may exhibit minor cosmetic imperfections that will vary from demo product to product. ZEISS demo products and their included accessories are guaranteed by ZEISS to operate to the standards for a new product. All ZEISS demo products are covered by the transferable ZEISS Limited Lifetime Warranty (View Warranty). The well-balanced Zeiss Conquest HD binoculars provide outstanding performance for ambitious nature observation. Uncompromising design, ergonomics and optics at an unbelievably attractive price. The Conquest HD 8x56 with the classic lens diameter are ideally suited for twilight and moonlight observation. Thanks to the 7 mm large eye relief, the innovative HD lens system and the T* multi-layer coating, they always deliver bright and intense images even under challenging light conditions. With the 8x56 binoculars you can also effortlessly observe animals which come out at night.