ELECLOVER 10x25 Portable High Definition Full Coated Optics with Blue Film Binoculars for Outdoor/ Hunting/ Bird Watching/ Sightseeing/ Concerts 10x 25DH BINOCULARS: magnification power of 10 with objective lens diameter of 25mm. Field of view of 101yards/1000yards. BUILT IN BAK-4 PRISMS & FMC BLUE FILM: Fully multicoated BAK-4 prisms lenses reduce the most reflection and increase light transmission and deliver more light and sharper, rounder images. HIGH STRENGTH BODY: Full metal body with natural rubble handle. COMPACT & PORTABLE: Best for daytime outdoor activities. These are the lightest, smallest binoculars for backpacking. BONUS: A 5 in 1 Multifunctional Paracord Bracelet with Compass/ Flint Fire Starter/ Scraper/ Whistle.