You want one lens that will address your day-to-day shooting challenges, provide outstanding sharpness and clarity, and still make it possible to slip your Samsung NX Series camera in your windbreaker's pocket? The Samsung EX-W20NB should be your first choice. With a useful 30.8mm equivalent focal length and a light-gathering f/2.8 aperture, it's perfect for indoor shooting and candid snapshots. This lens features Samsung's intuitive i-Function button, which allows you to access manual camera adjustments with a simple twist of the lens. Adjust your shutter speed, aperture and more while previewing the changes in real-time.