With a lightweight viewer like the Olympus 10x21 DPC I, it's okay if you're not in front during a sports competition. The magnification of 10x21 is perfect for concerts, festivals or other events. But also for travel or bird watching this multifunctional binoculars can be used. Because of the low weight of 170 grams you use it for a long time without getting tired muscles in your arms and hands. The viewer focuses from 2.2 meters, so that objects that are close to can be observed accurately.