EFFORTLESS OBSERVATION 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. FRP forehead rest NL Pure The forehead rest guarantees hours of observation comfort - ideal for maximum magnification. Suitable for all NL Pure binoculars.