The Leica Trinovid BCA 10x25mm features very small size and low weight. Weighing 255 grams, these Leica binoculars are not even a slight burden. They also have a very wide span of adjustment, suitable for nearly everyone. Manufactured with an aluminum chassis, and coated with rubber-armour for toughness and comfort has an added benefit of making these binoculars splash proof as well. The main tubes are filled with dry nitrogen to prevent fogging. Also features an easy focus knob for quick adjustments.