This top of the range monocular features the latest technology, with phase-coated & special super-high reflectivity (SHR) di-electric 60-layer prism coatings, which allows for 99% light transmission for exceptional brightness and image contrast. This model also boasts new technology "flat" multi-coatings on the objective lenses, which also maximise light transmission whilst maintaining natural colour balance. BaK-4 Prisms. Ideal for serious birdwatching. Colour/Material: Black Rubber