The Vortex Diamondback 8x42 is a set of binoculars for bird watchers and travelers. Thanks to the exit pupil of 5.3mm and the twilight factor of 18.3, you can use this binocular after sunset without problems. For example, you can observe drinking animals at dusk. With the close focus of 1.5 meters, you can easily focus on subjects closer to you. You can also focus on footprints or birds low in a tree. The phase correction coatings on the lenses create high-contrast images, so that you'll see clear, bright colors. Anti-reflective coatings reduce reflections. This gives you good visibility with lots of sunlight.