Bright Images - New Version Of The 30-260x160 Mini Optical Binoculars.High Light Transmittance, Clear And Bright Images, No Chromatic Aberration, Smaller Size, Lighter Weight, Larger Magnification Distance, And Optical Performance Is Unbelievably Clear.Excellent Performance Even In Mica Conditions. Outstanding Resolution And Sharpness - Full Multi-Coated (Fmc) Optics.This Feature Guarantees Excellent Transmission And Brightness Of Light.With Up To 99.5 percent Transfer Rate, You Will Enter A Clear And Bright World Where You Can Enjoy Wonderful Scenery. Waterproof, Shock Resistant And Durable - Compact, Presence, Water Resistant And Fog Free - Resists Moisture, Dust And Dirt From Entering The Binoculars.Strong Enough To Withstand All Conditions.Low Vision Night Light - Great For Concerts, Bird Watching, Hunting, Hiking, Exploring Size: 41.5x28x16CM Instrument magnification: 30 times - 260 times Field of view: 180FT or 1000YDS Lens material: glass Prism material: K4