OVERCOMING THE PROBLEM OF AMBIENT LIGHT Innovative accessories that are perfectly tailored to these binoculars enhance the functionality of your equipment. Apart from being user-friendly, harmonious design also plays a key role. Our accessories offer you all kinds of useful add-ons, allowing you to tailor your SWAROVSKI OPTIK binoculars to your personal needs. WES winged eyecup set The special winged eyecups minimize the entry of distracting ambient light and allow accurate eyecup height adjustment. The result is perfect viewing comfort. Made from a soft yet durable material, the set is suitable for all EL, EL Range and SLC binoculars as well as for the BTX.