The Nikon Monarch M5 8X42 Binoculars in black are full-size binoculars with a 42mm objective lens diameter and a maximum magnification of 8x. These binoculars feature fully multi-coated lenses with anti-reflection coating, as well as being waterproof, dustproof, and fogproof. The optical design is a roof/dach prism design, and they weigh 630g, making them portable and easy to use for various outdoor activities. The Nikon Monarch M5 binoculars are known for their high quality and durability, making them a reliable choice for birdwatching, hunting, or any outdoor adventure.