Best size for bird watching: If you want to see more details on birds at greater distances, 12x can allow you to observe any details of the birds farther away better than 10x without disturbing them. With a 42 millimeter objective, you won’t miss much of the scenes.High resolution and color reproduction: Birds have a wide variety and colors, this 12x42 binocular has high original color reproduction and sharp resolution, won't let you miss the color of every feather on these cute birds. It can use in the low light conditions.Lightweight binoculars: Only 1.28Ib, the BAK4 prisms is lighter than Pauls prism so that you can carry them easier when you going outdoors. It can be used with a tripod for more stable imaging (Package is not included tripod). And it is easy to use.Stylish and humanized design: Simple and stylish appearance, humanized anti-slip design, waterproof design. Go mouldy and the entry of rainwater is no longer a problem need to worry about.Also has multiple used in different occasions: Binoculars can be used not only to observe birds, but also suitable for watching sports events with larger scenes, wildlife seeing, hunting, concerts, holidays, hiking, Sightseeing, Boating, etc.