FeaturesField of view: 114 m / 6.5 degrees10x magnificationWaterproof, fogproof & nitrogen purged for use in difficult weatherRoof prismFully multi-coated optics result in a bright, clear imageCompact, lightweight and ergonomically engineered, the PRAKTICA Marine Flotilla 10 x 30 mm Binoculars are the logical choice for sailing, boating and other rugged outdoor activities. Fully multi-coated optics and BAK-4 glass maximise light transmission for clear, bright images while the optical system provides the power and focus needed to spot fast moving objects quickly and easily. No need to worry about sudden temperature changes or water splash thanks to the nitrogen purged interior.